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Anonymous Editorial Board . . . . . . . . . . . . i--i Ingemar Hjorth A comment on graphic displays of bird sounds and analyses with a new device, the melograph mona . . . . . . . . . . . 1--4, IN1, 5--6, IN3--IN4, 7--10 Abraham C. Nevo and Robert Rikmenspoel Diffusion of ATP in sperm flagella . . . 11--18 Jose Kaneti and Evgeny Golovinsky and Ivan Yukhnovsky and Dobri Genchev A study of some orotic acid derivatives and analogues by Hückel's method of molecular orbitals: I. A theoretical study of the active site of orotidine-5'-phosphate pyrophosphorylase 19--24, IN5, 25--27 Evgeny Golovinsky and Jose Kaneti and Ivan Yukhnovsky and Dobri Genchev A study of some orotic acid derivatives and analogues by Hückel's method of molecular orbitals: II. Analogues of the orotic acid in the reaction with phosphoribosyl-pyrophosphate . . . . . . 29--32 Thomas P. Bogyo and Donald G. Burnell and Shirley Wu Ting Inbreeding function in small populations with an arbitrary number of linked loci 33--45 Charles A. Apffel and John H. Peters Regulation of antigenic expression . . . 47--59 P. B. Canham The minimum energy of bending as a possible explanation of the biconcave shape of the human red blood cell . . . 61--76, IN7--IN8, 77--81 Carl R. Woese Codon recognition: The allosteric ribosome hypothesis . . . . . . . . . . 83--88 V. N. Schumaker and G. H. Adams Very low density lipoproteins: Surface-volume changes during metabolism 89--91 E. M. Harth and T. J. Csermely and B. Beek and R. D. Lindsay Brain functions and neural dynamics . . 93--120 P. A. Anninos and B. Beek and T. J. Csermely and E. M. Harth and G. Pertile Dynamics of neural structures . . . . . 121--148 P. J. Brockwell and E. Trucco On the decomposition by generations of the PLM-function . . . . . . . . . . . . 149--179 Anonymous Index to volume 26 . . . . . . . . . . . 509--514 Anonymous Pages 509--514, 1-179 (January 1970) . . ??
M. T. Tyree The symplast concept a general theory of symplastic transport according to the thermodynamics of irreversible processes 181--214 Michael A. Savageau Biochemical systems analysis: III. Dynamic solutions using a power-law approximation . . . . . . . . . . . . . 215--226 Barry B. Edelstein Instabilities associated with dissipative structure . . . . . . . . . 227--241 M. R. Aub and J. C. Waterlow Analysis of a five-compartment system with continuous infusion and its application to the study of amino acid turnover . . . . . . . . . . . . . . . . 243--250 E. G. Eijkman Learning and fluctuating behaviour experiments with goldfish . . . . . . . 251--264 J. Kirk and J. S. Orr and T. E. Wheldon and W. M. Gray Stress cycle analysis in the biocybernetic study of blood cell populations . . . . . . . . . . . . . . 265--276 Shinpei Ohki Properties of lipid bilayer membranes membrane thickness . . . . . . . . . . . 277--287 Donald T. Warner A proposal for the mechanism of muscle contraction at the molecular level . . . 289--306, IN1--IN4, 307--313 T. Hoshiko and B. D. Lindley Macroscopic definition of ideal behavior of tracers . . . . . . . . . . . . . . . 315--320 B. Maigret and B. Pullman and M. Dreyfus Molecular orbital calculations on the conformation of polypeptides and proteins: I. Preliminary investigations and simple dipeptides . . . . . . . . . 321--333 Stewart McGavin Axes of rotational symmetry in protein structures . . . . . . . . . . . . . . . 335--336 Lynn Margulis Recombination of non-chromosomal genes in \bionameChlamydomonas: Assortment of mitochondria and chloroplasts? . . . . . 337--342 Anonymous Pages 181--342 (February 1970) . . . . . ??
Eric Gruenstein and James Wynn A molecular mechanism of action of thyroxin: Modification of membrane phospholipid by iodine . . . . . . . . . 343--363 D. J. Rapport and J. E. Turner Determination of predator food preferences . . . . . . . . . . . . . . 365--372 E. K. Franke A mathematical model of synchronized periodic growth of cell populations . . 373--382 D. R. Miller Theoretical survival curves for radiation damage in bacteria . . . . . . 383--398 Evelyn F. Keller and Lee A. Segel Initiation of slime mold aggregation viewed as an instability . . . . . . . . 399--415 Edgar Taschdjian Asymmetry of living systems . . . . . . 417--428 D. A. D. Parry A proposed conformation for $ \alpha $-fibrous proteins . . . . . . . . . . . 429--430, IN1, 431--435 J. B. Moffat A quantum-mechanical study of the peptide molecule using Gaussian orbitals 437--443 N. B. Todd Karyotypic fissioning and Canid phylogeny . . . . . . . . . . . . . . . 445--480 S. Lewin Water extrusion in biological reactions 481--486, IN3--IN8, 487--497 R. Kilkson Domain effects in membrane transitions 497--499 G. R. Hanna and R. N. Johnson Simulation of auditory nerve responses by a neural model . . . . . . . . . . . 501--505 Richard P. Spencer Physical basis for Haase's law of fetal growth . . . . . . . . . . . . . . . . . 507--508 Anonymous Pages 343--508 (March 1970) . . . . . . ??
D. Winne Formal kinetics of water and solute absorption with regard to intestinal blood flow . . . . . . . . . . . . . . . 1--18 Stanley Cohen A model for the mechanism of antibody induction and tolerance, with specific attention to the affinity characteristics of antibodies produced during the immune response . . . . . . . 19--29 A. M. Uttley The informon: A network for adaptive pattern recognition . . . . . . . . . . 31--67 Fumio Oosawa Size distribution of protein polymers 69--86 Claude Giessner-Prettre and Bernard Pullman Intermolecular nuclear shielding values for protons of purines and flavins . . . 87--95 A. M. Roberts Motion of Paramecium in static electric and magnetic fields . . . . . . . . . . 97--106 John A. Sirs Structure of the erythrocyte . . . . . . 107--110, IN1--IN2, 111--115 K. D. Bartle and D. W. Jones and R. S. Matthews Proton magnetic resonance coupling constants and $ \pi $-bond orders in the active regions of carcinogenic and non-carcinogenic polycyclic hydrocarbons 117--126 Magar E. Magar Molecular weight distribution functions and virial coefficients from sedimentation equilibrium data . . . . . 127--169 Arthur M. Lesk On the origin of the genetic code: Photochemical interaction between amino acids and nucleic acids not requiring adaptors . . . . . . . . . . . . . . . . 171--173 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--173 (April 1970) . . . . . . . ??
Anonymous Erratum . . . . . . . . . . . . . . . . i--i Verna Louise Engstrom-Heg Predation, competition and environmental variables: Some mathematical models . . 175--195 Friedrich Franz Seelig Undamped sinusoidal oscillations in linear chemical reaction systems . . . . 197--206 J. D. Parrish and S. B. Saila Interspecific competition, predation and species diversity . . . . . . . . . . . 207--220 P. J. Staff A stochastic development of the reversible Michaelis--Menten mechanism 221--232 W. F. Harris and L. E. Scriven Cylindrical crystals, contractile mechanisms of bacteriophages and the possible role of dislocations in contraction . . . . . . . . . . . . . . 233--238, IN1, 239--257 Charles F. Walter The occurrence and the significance of limit cycle behavior in controlled biochemical systems . . . . . . . . . . 259--272 Leslie E. Blumenson Random walk and the spread of cancer . . 273--290 Stephen Grossberg Neural pattern discrimination . . . . . 291--337 Frank R. Freemon Reciprocal environmental surveillance model of sleep . . . . . . . . . . . . . 339--340 C. Giessner-Prettre and B. Pullman Regions of negative values of intermolecular nuclear shielding for protons of purines . . . . . . . . . . . 341--342 Anonymous Pages 175--342 (May 1970) . . . . . . . ??
Caius Traian Dragomir On the nature of the forces acting between myofilaments in resting state and under contraction . . . . . . . . . 343--356 Samuel Litwin and Neville R. Kallenbach Kinetics of DNA replication in bacteria with heterogeneous generation times . . 357--376 Richard O. Viale Similarities and differences in the kinetics of the Michaelis scheme and the Henri scheme . . . . . . . . . . . . . . 377--385 Mortimer M. Civan Path of bulk water movement through the urinary bladder of the toad . . . . . . 387--391 Donald T. Warner Attempted application of the hexagonal conformation to proteins containing cystine and cysteine . . . . . . . . . . 393--416 I. Richard Lapidus and Bernard Rosen Secondary structure of 5 s ribosomal RNA 417--423 J. P. Brannen On the role of DNA in wet heat sterilization of micro-organisms . . . . 425--432 W. S. Rehm and C. F. Butler and S. G. Spangler and S. S. Sanders A model to explain uphill water transport in the mammalian stomach . . . 433--453 Lars S. Palmer Binomial distribution of lactic dehydrogenase isoenzymes from multicellular sources . . . . . . . . . 455--470 Edward P. Previc Biochemical determination of bacterial morphology and the geometry of cell division . . . . . . . . . . . . . . . . 471--497 Anonymous Announcements . . . . . . . . . . . . . 499--500 Anonymous Pages 343--500 (1970) . . . . . . . . . ??
Theodore R. Reiff Colloid osmotic homeostasis in humans I. Theoretical aspects and background . . . 1--14 H. E. Kubitschek Evidence for the generality of linear cell growth . . . . . . . . . . . . . . 15--29 J. S. Harington Adaptation of cellular control processes in relation to cancer and its therapy 31--45 Yvonne Lange and Robert V. Lange Molecular interactions and diffusion permeability . . . . . . . . . . . . . . 47--58 L. Bess Network model as a biological pacemaker 59--80 Robert Rikmenspoel and Michael A. Sleigh Bending moments and elastic constants in cilia . . . . . . . . . . . . . . . . . 81--100 J. H. Adler Theoretical quantitative approach to the mechanism of hypoglycemic ketosis in ruminants . . . . . . . . . . . . . . . 101--109 Juan A. Subirana Hydrodynamic model of amoeboid movement 111--120 G. V. Dalrymple and M. L. Baker and J. L. Sanders and A. J. Moss and \ldots K. P. Wilkinson Do mammalian cells repair radiation injury by the ``cut-and-patch'' mechanism? II. An extension of the original model . . . . . . . . . . . . . 121--142 Hirokg Fujita and Akira Imamura and Chikayoshi Nagata Tautomerism of the anticodon base and the code degeneracy . . . . . . . . . . 143--145 A. Ciures and D. M\uargineanu Thermodynamics in biology: An intruder? 147--150 S. Cooper Model for the determination of growth rate in \bionameEscherichia coli . . . . 151--154 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--154 (July 1970) . . . . . . . . ??
G. Vergonet and H. J. C. Berendsen Evaluation of the steady-state approximation in a system of coupled rate equations . . . . . . . . . . . . . 155--173 J. R. Hamann and L. M. Bianchi Stochastic population mechanics in the relational systems formalism: Volterra--Lotka ecological dynamics . . 175--184 R. F. Steiner Analysis of the association of two different monomers by combined colligative and solubility measurements 185--193 Sungzong Kang and John F. Olsen and Jon R. Hamann Dipolar ion of phenylalanine: Conformational analysis and electronic structure . . . . . . . . . . . . . . . 195--201 Arthur L. Koch Overall controls on the biosynthesis of ribosomes in growing bacteria . . . . . 203--231 Bayard T. Storey Chemical hypothesis for energy conservation in the mitochondrial respiratory chain . . . . . . . . . . . 233--259 J. C. Dehaven and N. Z. Shapiro Simulation of the renal effects of antidiuretic hormone (ADH) in man . . . 261--286 John A. Williams Origin of transmembrane potentials in non-excitable cells . . . . . . . . . . 287--296 D. E. Downie New model for transmitter release at the presynaptic membrane . . . . . . . . . . 297--300 Anonymous Announcement . . . . . . . . . . . . . . 301--301 Anonymous Pages 155--301 (August 1970) . . . . . . ??
J. F. Danielli Editorial . . . . . . . . . . . . . . . 303--303 Warren H. Woolley Model for a homeostatic control system deriving from a hamiltonian . . . . . . 305--313 Paul O. Scheie Environmental limits of cellular existence . . . . . . . . . . . . . . . 315--325 Arthur T. Winfree Integrated view of resetting a circadian clock . . . . . . . . . . . . . . . . . 327--374 Brian C. Goodwin Model of the bacterial growth cycle: Statistical dynamics of a system with asymptotic orbital stability . . . . . . 375--391 Michael Conrad and H. H. Pattee Evolution experiments with an artificial ecosystem . . . . . . . . . . . . . . . 393--409 Stuart A. Newman Note on complex systems . . . . . . . . 411--413 Robert Rosen Subunit and subassembly processes . . . 415--422 Narendra Goel and Richard D. Campbell and Richard Gordon and Robert Rosen and \ldots Martynas Ycas Self-sorting of isotropic cells . . . . 423--468 Narendra S. Goel and Ardean G. Leith Self-sorting of anisotropic cells . . . 469--482 Martin Pincus An evolutionary strategy . . . . . . . . 483--488 Luigi M. Bianchi and Joh R. Hamann The Origin of Life: Preliminary considerations on necessary and (possibly) sufficient conditions . . . . 489--496 Clara Torda Proposed model for information processing, including initiation of memory storage . . . . . . . . . . . . . 497--505 K. N. Leibovic Interactions of retinal cells in visual adaptation . . . . . . . . . . . . . . . 507--512 K. N. Leibovic and E. Balslev and T. A. Mathieson Binocular space and its representation by cellular assemblies in the brain . . 513--529 David B. Shear Electrostatic forces in muscle contraction . . . . . . . . . . . . . . 531--546 Anonymous Pages 303--546 (September 1970) . . . . ??
S. Lewin Possible basis for specificity in attachment of histones to DNA in relation to genetic control in mRNA synthesis . . . . . . . . . . . . . . . 1--11, IN1--IN4 E. Bradford and J. R. Philip Stability of steady distributions of asocial populations dispersing in one dimension . . . . . . . . . . . . . . . 13--26 E. Bradford and J. R. Philip Note on asocial populations dispersing in two dimensions . . . . . . . . . . . 27--33 Bernard P. Zeigler and Roger Weinberg System theoretic analysis of models: Computer simulation of a living cell . . 35--56 Barry B. Edelstein Biochemical model with multiple steady states and hysteresis . . . . . . . . . 57--62 Kenneth B. Bischoff and Robert L. Dedrick Generalized solution to linear, two-compartment, open model for drug distribution . . . . . . . . . . . . . . 63--83 M. Moynihan Control, suppression, decay, disappearance and replacement of displays . . . . . . . . . . . . . . . . 85--112 David Garfinkel Simulation of the kinetics of $^{14}$C in the Krebs cycle in liver and its application to the design of experiments 113--130 D. L. Filmer and T. G. Cooper Effect of varying temperature and pH upon the predicted rate of ``CO$_2$'' utilization by carbylases . . . . . . . 131--145 L. Wolpert and D. Gingell Striping and the pattern of melanocyte cells in chimaeric mice . . . . . . . . 147--150 Kermit Hutcheson A test for comparing diversities based on the Shannon formula . . . . . . . . . 151--154 Anonymous Editorial Board . . . . . . . . . . . . CO2 Anonymous Pages 1--154 (October 1970) . . . . . . ??
N. H. Sabah and R. A. Spangler Repetitive response of the Hodgkin--Huxley model for the squid giant axon . . . . . . . . . . . . . . . 155--171 Laszlo Orloci Analysis of vegetation samples based on the use of information . . . . . . . . . 173--189 George I. Bell Mathematical model of clonal selection and antibody production . . . . . . . . 191--232 Lee A. Segel Standing-gradient flows driven by active solute transport . . . . . . . . . . . . 233--250 P. J. Palatt and G. M. Saidel and M. Macklin Transport processes in the renal cortex 251--274 Bernard Maigret and David Perahia and Bernard Pullman Molecular orbital calculations on the conformation of polypeptides and proteins IV. The conformation of the prolyl and hydroxyprolyl residues . . . 275--291 W. F. Forbes and D. A. Sprott and M. Feldstein and A. L. Dounce A model to account for mortality curves of various species . . . . . . . . . . . 293--299 Barbara E. C. Banks and C. A. Vernon Reassessment of the role of ATP in vivo 301--326 C. E. Weber Potassium etiology for mesenchyme degeneration . . . . . . . . . . . . . . 327--328 Anonymous Pages 155--328 (November 1970) . . . . . ??
Anonymous Biochemical determination of bacterial morphology and the geometry of cell divison: E. P. Previc, J. theor. Biol., \bf 27, 471--497 . . . . . . . . . . . . i--i G. T. Herman Role of environment in developmental models . . . . . . . . . . . . . . . . . 329--341 Mary B. Williams Deducing the consequences of evolution: A mathematical model . . . . . . . . . . 343--385 Mordechai L. Kremer Independent activity of catalase haematins . . . . . . . . . . . . . . . 387--394 Terrell L. Hill Sliding filament model of muscular contraction: V. Isometric force and interfilament spacing . . . . . . . . . 395--410 Elmon L. Coe and Mary H. Coe Solute transfer between intramolecular polar and non-polar phases as a possible rate-limiting step in chymotrypsin deacylation . . . . . . . . . . . . . . 411--425 Christopher Chatfield and Robert E. Lemon Analysing sequences of behavioural events . . . . . . . . . . . . . . . . . 427--445 P. M. Bhargava and T. Pallaiah and E. Premkumar Aminoacyl-transfer RNA synthetase recognition code-words in yeast transfer RNA's: A proposal . . . . . . . . . . . 447--469 Richard Gordon and Robert Bender and Gabor T. Herman Algebraic Reconstruction Techniques (ART) for three-dimensional electron microscopy and X-ray photography . . . . 471--476, IN1--IN2, 477--481 Robert Bender and S. H. Bellman and Richard Gordon ART and the ribosome: A preliminary report on the three-dimensional structure of individual ribosomes determined by an algebraic reconstruction technique . . . . . . . . 483--484, IN5--IN10, 485--487 Stuart Patton Correlative relationship of cholesterol and sphingomyelin in cell membranes . . 489--491 Anonymous Announcemen . . . . . . . . . . . . . . 493--493 Anonymous Pages 329--493 (December 1970) . . . . . ??
C. W. F. McClare Chemical machines, Maxwell's demon and living organisms . . . . . . . . . . . . 1--34 W. T. Yap and H. A. Saroff Application of the Ising model to hemoglobin . . . . . . . . . . . . . . . 35--39 J. I. Davies and P. A. Williams Quantitative relationship between stimulus and response in hormone action: Amplification and sensitization . . . . 41--57 Haruo Shiba Heaviside's ``bessel cable'' as an electric model for flat simple epithelial cells with low resistive junctional membranes . . . . . . . . . . 59--68 R. G. Wiegert and D. F. Owen Trophic structure, available resources and population density in terrestrial vs. aquatic ecosystems . . . . . . . . . 69--81 Donald J. Abraham Proposed detailed structural model for tRNA and its geometric relationship to a messenger . . . . . . . . . . . . . . . 83--86, IN1, 87--91 M. H. Friedman General theory of tissue swelling with application to the corneal stroma . . . 93--109 B. Hodgson Possible roles for antibiotics and other biologically active peptides at specific stages during sporulation of bacillaceae 111--119 D. Gingell Computed force and energy of membrane interaction . . . . . . . . . . . . . . 121--149 Clarence D. Cone Unified theory on the basic mechanism of normal mitotic control and oncogenesis 151--181 Clarence D. Cone Maintenance of mitotic homeostasis in somatic cell populations . . . . . . . . 183--194 Li-Ming C. Allen and Henry W. Allen and J. J. Quilligan Proposal for improved techniques in electron microscopy . . . . . . . . . . 195--202 B. K. Davis Chain propagation and polypeptide polymerization rate . . . . . . . . . . 203--210 David Markowttz Is generalized complementarity necessary? . . . . . . . . . . . . . . . 211--213 Y. Yamagata and M. Sakamoto Possible origin of the hot spot . . . . 215--217 W. R. Lieb and W. D. Stein Rejection criterion for some forms of the conventional carrier . . . . . . . . 219--222 Anonymous Announcement . . . . . . . . . . . . . . 223--223 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--223 (January 1971) . . . . . . ??
Evelyn F. Keller and Lee A. Segel Model for chemotaxis . . . . . . . . . . 225--234 Evelyn F. Keller and Lee A. Segel Traveling bands of chemotactic bacteria: A theoretical analysis . . . . . . . . . 235--248 George Papageorgiou Absorption of light by non-refractive spherical shells . . . . . . . . . . . . 249--254 L. Surkinshaw and D. H. Marshall Accuracy of estimation of the parameters in a model of calcium tracer kinetics 255--265 R. Lefever and G. Nicolis Chemical instabilities and sustained oscillations . . . . . . . . . . . . . . 267--284 Akira Yamauchi and Hideo Kimizuka Study of bi-ionic potentials . . . . . . 285--295 R. W. Hedges Hypothesis for catabolite repression . . 297--305 Jürgen Kiefer Target theory and survival curves . . . 307--317 J. Maynard Smith What use is sex? . . . . . . . . . . . . 319--335 R. Tsanev and Bl. Sendov Possible molecular mechanism for cell differentiation in multicellular organisms . . . . . . . . . . . . . . . 337--393 C. C. Heyde and Elizabeth Heyde Stochastic fluctuations in a one substrate one product enzyme system: Are they ever relevant? . . . . . . . . . . 395--404 Ian Vine Risk of visual detection and pursuit by a predator and the selective advantage of flocking behaviour . . . . . . . . . 405--422 B. S. Weir Two locus inbreeding functions . . . . . 423--425 Anonymous Announcement . . . . . . . . . . . . . . 427--427 Anonymous Pages 225--427 (February 1971) . . . . . ??
John B. Hall Evolution of the prokaryotes . . . . . . 429--454 Aristid Lindenmayer Developmental systems without cellular interactions, their languages and grammars . . . . . . . . . . . . . . . . 455--484 Friedrich F. Seelig and Friedrich Göbber Stable linear reaction oscillator . . . 485--496 Friedrich Franz Seelig Activated enzyme catalysis as a possible realization of the stable linear chemical oscillator model . . . . . . . 497--514 Barry B. Edelstein Cell specific diffusion model of morphogenesis . . . . . . . . . . . . . 515--532 Joseph C. Arcos Ultrastructural alteration of the mitochondrial electron transport chain involving electron leak possible basis of ``respiratory impairment'' in certain tumors . . . . . . . . . . . . . . . . . 533--543 T. Keleti Simple mechanisms for the modification of homotetrameric proteins . . . . . . . 545--551 Fred N. White and Robert C. Lasiewski Rattlesnake denning: Theoretical considerations on winter temperatures 553--557 V. I. Danilov and N. V. Zheltovsky and V. V. Ogloblin and V. I. Pechenaya Excited states of the DNA base pairs . . 559--571 Karl F. Doerner Forces on the mitotic spindle produced by an internal pressure gradient . . . . 573--577 R. Hawkins and Stuart A. Rice Study of concentration fluctuations in model systems . . . . . . . . . . . . . 579--596 Ellen W. Rapport Genes and immunological tolerance . . . 597--601 U. N. Singh and R. S. Gupta Polyribosomes and unstable messenger RNA II. Some further implications of the tape theory of protein synthesis . . . . 603--619 Girjesh Govil and Anil Saran Quantum chemical studies on the conformational structure of nucleic acids I. Extended Hückel calculations on $d$-ribose phosphate . . . . . . . . . . 621--630 Branko Soucek Complete model for the statistical composition of the end-plate potential 631--645 Anonymous Pages 429--645 (March 1971) . . . . . . ??
J. Lubliner and J. J. Blum Model for bend propagation in flagella 1--24 M. E. J. Holwill and C. A. Miles Hydrodynamic analysis of non-uniform flagellar undulations . . . . . . . . . 25--42 Ronald Forrest Fox Entropy reduction in open systems . . . 43--46 Junh Kumamoto and John K. Raison and James M. Lyons Temperature ``breaks'' in Arrhenius plots: A thermodynamic consequence of a phase change . . . . . . . . . . . . . . 47--51 V. S. Vaidhyanathan Influence of chemical reactions on fluxes of non-electrolytes across membranes . . . . . . . . . . . . . . . 53--67 Henry F. Epstein Role of electrostatic interactions in allosteric proteins . . . . . . . . . . 69--76 Erik Balslev and K. N. Leibovic Theoretical analysis of binocular space perception . . . . . . . . . . . . . . . 77--100 Morrel H. Cohen and Anthony Robertson Wave propagation in the early stages of aggregation of cellular slime molds . . 101--118 Morrel H. Cohen and Anthony Robertson Chemotaxis and the early stages of aggregation in cellular slime molds . . 119--130 E. C. Hulme Simulation of biochemical systems . . . 131--137 A. V. Wolf and Phoebe G. Prentiss Fitness of the internal environment body fluids are potent buffers of concentrative properties such as osmotic pressure as well as pH . . . . . . . . . 139--158 Donald W. Pfaff Statistical effects of sensitivity differences among neurophysiological preparations . . . . . . . . . . . . . . 159--160 E. C. Anderson and G. I. Bell Rate of growth of cells . . . . . . . . 161--164 L. Pogár On the mechanism of proton transfer in the catalysis by serine proteases . . . 165--169 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--169 (April 1971) . . . . . . . ??
J. M. T. Hamilton-Miller Use of Michaelis--Menten kinetics in the analysis of synergism between $ \beta $-lactam antibiotics . . . . . . . . . . 171--176 Esmail Koushanpour and Ronald R. Tarica and William F. Stevens Mathematical simulation of normal nephron function in rat and man . . . . 177--214 Franklin F. Offner Nernst--Planck--Poisson diffusion equation: Numerical solution of the boundary value problem . . . . . . . . . 215--227 Thomas P. Fondy and Peter D. Holohan Structural similarities within groups of pyridine nucleotide-linked dehydrogenases . . . . . . . . . . . . . 229--244 M. S. Seshadri Evolution towards steady state in membrane transport problems . . . . . . 245--253 David R. Kominz Role of swelling in muscle contraction 255--267 Bernard Maigret and Bernard Pullman and David Perahia Molecular orbital calculations on the conformation of polypeptides and proteins: VII. Refined calculations on the alanyl residue . . . . . . . . . . . 269--285 Claude Giessner-Prettre and Pullman Bernard Intermolecular nuclear shielding due to the aromatic amino acids of proteins and to porphyrins . . . . . . . . . . . . . 287--294 W. D. Hamilton Geometry for the selfish herd . . . . . 295--311 R. N. Stuart and E. W. Branscomb Quantitative theory of in vivo lac regulation: Significance of repressor packaging: I. Equilibrium considerations 313--329 Hisao Honda Description of the form of trees by the parameters of the tree-like body: Effects of the branching angle and the branch length on the shape of the tree-like body . . . . . . . . . . . . . 331--334, IN1--IN6, 335--338 Luna B. Leopold Trees and streams: The efficiency of branching patterns . . . . . . . . . . . 339--354 Friedrich F. Seelig Systems-theoretic model for the spontaneous formation of optical antipodes in strongly asymmetric yield 355--361 Alexandr Kremen Thermodynamic model of the production of antibiotics of the tetracycline type . . 363--370 P. C. Nieder Suggested principle of cochlear organization: The addressed exponential delay line . . . . . . . . . . . . . . . 371--374 Thomas H. Kirschbaum and Norman Z. Shapiro Oxygen equilibration of maternal and fetal blood . . . . . . . . . . . . . . 375--375 Anonymous Pages 171--375 (May 1971) . . . . . . . ??
Henry F. Epstein Role of electrostatic interactions in allosteric proteins . . . . . . . . . . i--i George C. Theodoridis and Lawrence Stark Central role of solar information flow in pregenetic evolution . . . . . . . . 377--388 M. Thellier Non-equilibrium thermodynamics and electrokinetic interpretation of biological systems . . . . . . . . . . . 389--393 B. Lavenda Co-operative effects and charge fluctuation forces . . . . . . . . . . . 395--404 Barry W. Ninham and V. Adrian Parsegian Electrostatic potential between surfaces bearing ionizable groups in ionic equilibrium with physiologic saline solution . . . . . . . . . . . . . . . . 405--428 Stuart Kauffman Differentiation of malignant to benign cells . . . . . . . . . . . . . . . . . 429--451 Caius Traian Dragomir Zone melting as a model for active transport across the cell membrane . . . 453--468 N. E. Kowal Models of elemental assimilation by invertebrates . . . . . . . . . . . . . 469--474 D. Markowitz Collective modes and wavelike solutions to cellular control equations . . . . . 475--492 George H. Czerlinski Chemical relaxation of cyclic enzyme reactions IV. Thermodynamics of isomerase systems . . . . . . . . . . . 493--499 Richard O. Viale Resolution of two simple protein-ligand binding schemes with kinetic measurements . . . . . . . . . . . . . . 501--507 J. D. Stuck and J. A. Howell and H. T. Cullinan Analysis of oxygen diffusion to a measuring probe in animal tissue . . . . 509--532 Bayard T. Storey Chemical hypothesis for energy conservation in the mitochondrial respiratory chain II. Redox properties of the coupling site enzymes at sites I and II . . . . . . . . . . . . . . . . . 533--552 Lauro Galzigna and Patrick Maurel Physicochemical characteristics of central neurotransmitters . . . . . . . 553--554 A. S. Coulson and N. V. Smith Tuberculin receptor site on sensitized human lymphocytes: A reply to Dr Fang's criticism . . . . . . . . . . . . . . . 555--556 T. M. Lewinson Enumerating ways for the stepwise synthesis of macromolecules . . . . . . 557--559 Anonymous Pages 377--559 (June 1971) . . . . . . . ??
John R. Buysman and Frank T. Koide Ion concentration profile normal to cell membrane . . . . . . . . . . . . . . . . 1--23 David H. Noyes and Warren S. Rehm Unstirred-layer model for the long time-constant transient voltage response to current in epithelial tissue . . . . 25--45 K. H. Norwich Convective diffusion of tracers . . . . 47--57 Magar E. Magar and Robert F. Steiner and John E. Fletcher Analysis of protein ligand equilibria 59--74 M. D. Mountford Population survival in a variable environment . . . . . . . . . . . . . . 75--79 Stefan Bleecken ``Replisome''-controlled initiation of DNA replication . . . . . . . . . . . . 81--92 Friedrich Franz Seelig Mono- or bistable behaviour in a weakly or strongly open chemical reaction system . . . . . . . . . . . . . . . . . 93--106 Naum Fraidenraich and Marcelino Cereijido Kinetic analysis of isotope exchange in a system of concentric cylinders . . . . 107--122 Eric H. Davidson and Roy J. Britten Note on the control of gene expression during development . . . . . . . . . . . 123--130 Philippa M. Wiggins Water structure as a determinant of ion distribution in living tissue . . . . . 131--146 Hagai Ginsburg Model for iso-osmotic water flow in plant roots . . . . . . . . . . . . . . 147--158 Karl F. Doerner Nerve impulse propagation affected by sol-gel changes in axoplasm . . . . . . 159--164 G. Poste and A. C. Allison Membrane fusion reaction: A theory . . . 165--184 Robert E. Ulanowicz and George C. Frazier Transport through hemoglobin solutions: A sensitivity analysis . . . . . . . . . 185--190 Barry B. Edelstein Autocatalysis in a biological system . . 191--197 R. A. Crowther and A. Klug ART and science or conditions for three-dimensional reconstruction from electron microscope images . . . . . . . 199--203 S. H. Bellman and Robert Bender and Richard Gordon and James E. Rowe ART is science being a defense of algebraic reconstruction techniques for three-dimensional electron microscopy 205--206, IN1--IN2, 207--216 Anonymous Announcements . . . . . . . . . . . . . 217--217 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--217 (July 1971) . . . . . . . . ??
Anonymous Two locus inbreeding functions: B. S. Weir, J. theor. Biol. (1971) \bf 30, 423--425 . . . . . . . . . . . . . . . . i--i G. F. Oster and C. A. Desoer Tellegen's theorem and thermodynamic inequalities . . . . . . . . . . . . . . 219--241 Rachel Goldman and Ephraim Katchalski Kinetic behavior of a two-enzyme membrane carrying out a consecutive set of reactions . . . . . . . . . . . . . . 243--257 A. G. Craig Theory of radiation dose-survival curves for the case where organism lethality is defined as loss of reproductive capacity 259--267 P. Delattre Topological and order properties in transformation systems . . . . . . . . . 269--282 B. Lavenda and G. Nicolis and M. Herschkowitz-Kaufman Chemical instabilities and relaxation oscillations . . . . . . . . . . . . . . 283--292 Tamar Schaap Dual information in DNA and the evolution of the genetic code . . . . . 293--298 J. G. Kurjian Logical structure of adaptive systems: I. Microevolution, conditioning and their decision problems . . . . . . . . 299--330 J. P. Brannen Role of water activity in the dry heat sterilization of micro-organisms . . . . 331--334 J. L. Lebowitz and S. I. Rubinow and Shlomo Burstein Theorem in chemical kinetics . . . . . . 335--339 David R. Jones Theoretical analysis of factors which may limit the maximum oxygen uptake of fish: The oxygen cost of the cardiac and branchial pumps . . . . . . . . . . . . 341--349 Huey Wen Huang Kinetic theory of antibiotic ion carrier 351--361 Huey Wen Huang Kinetic theory of antibiotic ion carrier. II . . . . . . . . . . . . . . 363--371 George H. Czerlinski Chemical relaxation of cyclic enzyme systems: V. The Michaelis and Henri schemes . . . . . . . . . . . . . . . . 373--380, IN1--IN2, 381--382 W. E. Schotz and M. Zelen Effect of length sampling bias on labeled mitotic index waves . . . . . . 383--404 Edwin T. Harper Kinetics of the two-sited enzyme: I. Activation and inhibition by substrate 405--414 E. Holler Enhancement of tryptic esterase activity 415--424 Philip Rosen Theoretical significance of arsenic as a carcinogen . . . . . . . . . . . . . . . 425--426 Anonymous Announcement . . . . . . . . . . . . . . 427--427 Anonymous Pages 219--427 (August 1971) . . . . . . ??
Anonymous Errata . . . . . . . . . . . . . . . . . i--i Arthur L. Koch Evaluation of the rates of biological processes from tracer kinetic data: III. The net synthesis lemma and exchangeable pools . . . . . . . . . . . . . . . . . 429--450 Arthur L. Koch Evaluation of the rates of biological processes from tracer kinetic data: IV. Digital simulation of nucleic acid metabolism in bacteria . . . . . . . . . 451--469 Gordon L. Atkins Investigation of some theoretical models relating the concentrations of glucose and insulin in plasma . . . . . . . . . 471--494 Magar E. Magar and Robert F. Steiner Equivalence of certain models in protein ligand equilibria and the possibility of distinguishing between them . . . . . . 495--506 H. G. Othmer and L. E. Scriven Instability and dynamic pattern in cellular networks . . . . . . . . . . . 507--537 R. B. Stein and K. G. Pearson Predicted amplitude and form of action potentials recorded from unmyelinated nerve fibres . . . . . . . . . . . . . . 539--558 Nils Aall Barricelli and Louis Nelson and Robert Toombs Virus-genetic theory testing by data processing machines: I. Basic procedures and models tested . . . . . . . . . . . 559--580 Nils Aall Barricelli and Robert Toombs Virus-genetic theory testing by data processing machines: II. Fit of classical genetic T4 data . . . . . . . 581--601 Nils Aall Barricelli and Robert Toombs Virus-genetic theory testing by data processing machines: III. The interpretation of radiation genetic and partial phage experiments in T4. General remarks on the theory-testing results 603--623 G. E. Moore Cytological model of antibody production 625--629 D. C. S. White Thermodynamics and muscle contraction: A reply to Banks and Vernon . . . . . . . 631--632 Anonymous Pages 429--632 (September 1971) . . . . ??
Anonymous Chemical relaxation of cyclic enzyme systems IV. Thermodynamics of isomerase systems: G. H. Czerlinski, J. theor. Biol. (1971) \bf 31, 493--499 . . . . . i--i V. S. Vaidhyanathan Influence of chemical reactions on fluxes and a theory of active and facilitated types of transport . . . . . 1--27 Carl R. Woese Evolution of macromolecular complexity 29--34 Thomas H. Strunk Heat loss from a Newtonian animal . . . 35--61 J. S. Thompson Role of autolytic enzymes in the growth and morphogenesis of bacterial cell walls . . . . . . . . . . . . . . . . . 63--75 L. E. Moore and E. Jakobsson Interpretation of the sodium permeability changes of myelinated nerve in terms of linear relaxation theory . . 77--89 Richard A. Albanese Use of membrane-covered oxygen cathodes in tissue . . . . . . . . . . . . . . . 91--103 Magar E. Magar On the possibility of determining the secondary structure of proteins in solution . . . . . . . . . . . . . . . . 105--119 Gilda H. Loew Conformation of hydrogen cyanide dimer and its role in chemical evolution . . . 121--130 F. H. Verhoff and F. E. Smith Theoretical analysis of a conserved nutrient ecosystem . . . . . . . . . . . 131--147 D. Irving and P. Proctor Model of psychological functioning . . . 149--170 Ardean G. Leith and Narendra S. Goel Simulation of movement of cells during self-sorting . . . . . . . . . . . . . . 171--188 Gideon Frieder and Gabor T. Herman Resolution in reconstructing objects from electron micrographs . . . . . . . 189--196, IN2, 197--211 Gabor T. Herman and Stuart Rowland Resolution in ART: An experimental investigation of the resolving power of an algebraic picture reconstruction technique . . . . . . . . . . . . . . . 213--216, IN3--IN9, 217--223 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--223 (October 1971) . . . . . . ??
Stephen Grossberg On the dynamics of operant conditioning 225--255 J. J. Blum Existence of a breaking point in cilia and flagella . . . . . . . . . . . . . . 257--263 W. J. van der Steen and J. C. Jager Biology, causality and abstraction, with illustrations from a behavioural study of chemoreception . . . . . . . . . . . 265--278 Kenneth C. Mylrea and Peter H. Abbrecht Mathematical analysis and digital simulation of the control of erythropoiesis . . . . . . . . . . . . . 279--297 Dan Cohen Maximizing final yield when growth is limited by time or by limiting resources 299--307 Robert Rein and S. Nir and Mary N. Stamatiadou Photochemical survival principle in molecular evolution . . . . . . . . . . 309--318 Theodosios Pavlidis Populations of biochemical oscillators as circadian clocks . . . . . . . . . . 319--338 George I. Bell Mathematical model of clonal selection and antibody production. II . . . . . . 339--378 George I. Bell Mathematical model of clonal selection and antibody production III. The cellular basis of immunological paralysis . . . . . . . . . . . . . . . 379--398 Girjesh Govil and Anil Saran Quantum chemical studies on the conformational structure of nucleic acids II. EHT and CNDO calculations on the puckering of D-ribose . . . . . . . 399--406 Anil Saran and Girjesh Govil Quantum chemical studies on the conformational structure of nucleic acids III. Calculation of backbone structure by extended Hückel theory . . . 407--418 Anonymous Pages 225--418 (November 1971) . . . . . ??
Stuart Hodson Why the cornea swells . . . . . . . . . 419--427 B. Strehler and G. Hirsch and D. Gusseck and R. Johnson and M. Bick Codon-restriction theory of aging and development . . . . . . . . . . . . . . 429--474 Charles E. Castro Theory of hemeprotein reactivity . . . . 475--490 C. W. Sheppard Stochastic models for tracer experiments in the circulation III. The lumped catenary system . . . . . . . . . . . . 491--515 Natarajan Venkatesan and Joseph C. Arcos and Mary F. Argus Induction and repression of microsomal drug-metabolizing enzymes by polycyclic hydrocarbons and phenobarbital: Theoretical models . . . . . . . . . . . 517--537 Paul A. Hartman and Richard Ziprin Immunological templates: A new model and proposed mechanism of immunogenicity . . 539--556 Yochai B. Samish Kinetics of the substrate for the evolution of CO 2 in light by photosynthesizing organs . . . . . . . . 557--564 Gordon Tullock Biological externalities . . . . . . . . 565--576 Ludvik Bass Discrete steady states of neuronal membranes consistent with an evolutionary principle . . . . . . . . . 577--597 Milan Höfer A model of the monosaccharide uphill transporting cell membrane system in yeast . . . . . . . . . . . . . . . . . 599--603 Anonymous Announcement . . . . . . . . . . . . . . 605--605 Anonymous Pages 419--605 (December 1971) . . . . . ??
P. C. T. Jones Central role for ATP in determining some aspects of animal and plant cell behaviour . . . . . . . . . . . . . . . 1--13 D. Aj\`o and M. Bossa and A. Damiani and R. Fidenzi and \ldots A. Lapiccirella Electrostatic stabilization of cholinergic substrates . . . . . . . . . 15--20 Leonard Weiss and Robert Zeigel Heterogeneity of anionic sites at the electrokinetic surfaces of fixed Ehrlich ascites tumor cells . . . . . . . . . . 21--27 W. E. Schotz Continuous labeling indices: CLI($t$) and CLMII($t$) . . . . . . . . . . . . . 29--45 Yechieil Becker Theory of the organization of the mammalian cell and viral DNA genomes and the mechanism of carcinogenesis . . . . 47--59 David Tarin Tissue interactions in morphogenesis, morphostasis and carcinogenesis . . . . 61--72 S. C. Nelson and J. D. Barchas Sub-picogram assay of biogenic materials: Theoretical application of interactions with isotopes that yield heavy ionizing particles upon neutron exposure and use of radiographic dielectric track registration techniques 73--85 Terence W. Barrett Octave ratio as the absolute measurement unit of sensory communication in the cerebral cortex . . . . . . . . . . . . 87--97 Phillip Good Homeostatic mechanisms and the loss of mitotic potential . . . . . . . . . . . 99--102 David G. Levitt Capillary-tissue exchange kinetics: An analysis of the krogh cylinder model . . 103--124 Carolyn M. Kalsow and R. J. Doyle Facilitated diffusion of monosaccharides in Saccharomyces cerevisiae I. Theoretical considerations of asymmetry 125--130, IN1, 131--133 S. Nir and Robert Rein and L. Weiss On the applicability of certain approximations of the Lifshitz theory to thin films . . . . . . . . . . . . . . . 135--153 Narendra S. Goel and Nira Richter-Dyn and John R. Clay Discrete stochastic models for firing of a neuron . . . . . . . . . . . . . . . . 155--184 Agnessa Babloyantz and G. Nicolis Chemical instabilities and multiple steady state transitions in Monod-Jacob type models . . . . . . . . . . . . . . 185--192 M. V. Volkenstein The conformon . . . . . . . . . . . . . 193--195 Friedrich F. Seelig On spontaneous asymmetric synthesis . . 197--198 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--198 (January 1972) . . . . . . ??
R. E. Alving and K. Laki Energy and electron orbitals in adenosine phosphates . . . . . . . . . . 199--214 Robert Rein and James R. Rabinowitz and T. J. Swissler Quantitative examination of the approximations in the monopole and dipole theories of intermolecular interactions . . . . . . . . . . . . . . 215--218 Leon Glass and Stuart A. Kauffman Co-operative components, spatial localization and oscillatory cellular dynamics . . . . . . . . . . . . . . . . 219--237 Robert E. Ulanowicz Mass and energy flow in closed ecosystems . . . . . . . . . . . . . . . 239--253 L. W. Nichol and K. O'Dea and P. A. Baghurst Binding of dissimilar ligand molecules to an interacting acceptor: A model for the action of effectors . . . . . . . . 255--263 Richard A. Arndt and James D. Bond and L. David Roper Electroneutral approximate solutions of steady-state electrodiffusion equations for a simple membrane . . . . . . . . . 265--276 Avraham Wachman and Alexander Levitzki Mechanism for the assembly of spherical viruses: A geometrical approach . . . . 277--278, IN1, 279--287 N. F. Cramer and R. M. May Interspecific competition, predation and species diversity: A comment . . . . . . 289--293 Rudolf Jicín Some problems of description of sets of objects . . . . . . . . . . . . . . . . 295--311 J. Batke Modelling of allosteric interactions in dissociable tetrameric isoenzyme systems 313--324 Michael Conrad Stability of foodwebs and its relation to species diversity . . . . . . . . . . 325--335 E. C. Pielou $ 2^k $ Contingency tables in ecology 337--352 J. Bertran Interactions between nucleic acid bases 353--361 B. R. Jordan Computer generation of pairing schemes for RNA molecules . . . . . . . . . . . 363--378 Avraham Oplatka On the mechanochemistry of muscular contraction . . . . . . . . . . . . . . 379--403 Anonymous Announcement . . . . . . . . . . . . . . 405--405 Anonymous Pages 199--405 (February 1972) . . . . . ??
D. N. Pinder Shape of human red cells . . . . . . . . 407--408, IN1--IN2, 409--410 C. H. Clarke Intragenic localization of chain-terminating triplets arising by transitions and transversions . . . . . 411--418 Hal Caswell A simulation study of a time lag population model . . . . . . . . . . . . 419--439 Colin J. Thompson and Robert Ter Bush General formulation of Haldane's laws for competing ligands . . . . . . . . . 441--449 N. F. H. Ho and J. Turi and C. Shipman and W. I. Higuchi Systems approach to the study of drug transport across membranes using suspension cultures of mammalian cells: I. Theoretical diffusion models . . . . 451--452, IN3, 453--467 N. Seshagiri Chart method for the analysis of enzyme kinetic reactions . . . . . . . . . . . 469--486 David T. Denhardt A theory of DNA replication . . . . . . 487--508 George M. Fleck On the generality of first-order rates in isotopic tracer kinetics . . . . . . 509--514 J. Lubliner and J. J. Blum Model of flagellar waves . . . . . . . . 515--534 Jerrold Fried Proposal for the determination of generation time variability and dormancy of proliferating cell populations by a modification of the grain-count halving method . . . . . . . . . . . . . . . . . 535--555 K. S. Trincher and A. G. Dudoladov Spin-lattice interaction of water and protein membranes in cell metabolism . . 557--576 Å. O. Hartmann and H. T. Andersen Analysis of the peripheral organization and the specificity properties of primary gustatory afferents . . . . . . 577--590 Anonymous Pages 407--590 (March 1972) . . . . . . ??
V. Ya. Alexandrov The problem of behaviour at the cellular level (cytoethology) . . . . . . . . . . 1--8, IN1--IN4, 9--26 David Markowitz Co-operativity model of cellular control: Organization and complexity . . 27--53 R. N. Doetsch A unified theory of bacterial motile behavior . . . . . . . . . . . . . . . . 55--66 M. L. Shuler and R. Aris and H. M. Tsuchiya Diffusive and electrostatic effects with insolubilized enzymes . . . . . . . . . 67--76 Jonathan Kuhn and Yair Parag Protein-subunit aggregation model for self-incompatibility in higher fungi: Schizophyllum commune . . . . . . . . . 77--91 J. R. Smythies Molecular mechanisms of adrenergic receptors . . . . . . . . . . . . . . . 93--96, IN5--IN12, 97--101 H. S. Green and J. R. Casley-Smith Calculations on the passage of small vesicles across endothelial cells by Brownian motion . . . . . . . . . . . . 103--111 Jack L. Neal Analysis of Michaelis kinetics for two independent, saturable membrane transport functions . . . . . . . . . . 113--118 Roger S. Seymour Convective heat transfer in the respiratory systems of panting animals 119--127 Margaret C. Neville and Robert B. Kelman and Franklin W. Briese Monte Carlo simulation of co-operative adsorption of ligands onto polymers . . 129--144 F. E. Lauria Mathematical approach to the study of the cerebral cortex: IV. The spread of excitation in the space and time domains 145--158 Arthur T. Winfree On the photosensitivity of the circadian time-sense in Drosophila pseudoobscura 159--189 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--189 (April 1972) . . . . . . . ??
Michael A. B. Deakin A model for inversion polymorphism . . . 191--212 R. S. Zotina and A. I. Zotin Towards a phenomenological theory of growth . . . . . . . . . . . . . . . . . 213--225 Stuart A. Newman A source of stability in metabolic networks . . . . . . . . . . . . . . . . 227--232 C. W. F. McClare In defence of the high energy phosphate bond . . . . . . . . . . . . . . . . . . 233--246 Cynthia J. Jameson and William Yang Quantum-mechanical treatment of the electronic structure and geometry of hydrogen cyanide dimer . . . . . . . . . 247--257 Eugene C. Bovee and Theodore L. Jahn A theory of piezoelectric activity and ion-movements in the relation of flagellar structures and their movements to the phototaxis of Euglena . . . . . . 259--276 C. S. Russell Biosynthesis of porphyrins and the origin of the ``Mauve factor'' . . . . . 277--283 Ting-Chao Chou Combinatorial analysis of multiple substrate-multiple product enzyme reactions . . . . . . . . . . . . . . . 285--297 S. I. Rubinow and Joseph B. Keller Flow of a viscous fluid through an elastic tube with applications to blood flow . . . . . . . . . . . . . . . . . . 299--313 Richard J. Douthart Topological constraints daring replication I. Generation of catenanes, circular dimers and higher oligomers . . 315--335 Richard J. Douthart Topological constraints during replication II. Complex forms generated by multiple replication forks or track switching . . . . . . . . . . . . . . . 337--358 G. H. Loew and M. S. Chadha and S. Chang A molecular orbital and chemical study of aminoacetonitrile: A possible prebiotic peptide precursor . . . . . . 359--373 B. Pullman and J. L. Coubeils and Ph. Courrare A molecular orbital study of the conformation of barbiturates . . . . . . 375--385 Arabinda K. Sinha and Harvey Smythe and Vincent P. Zarcone and Jack D. Barchas and William C. Dement Human sleep-electroencephalogram: A damped oscillatory phenomenon . . . . . 387--393 B. W. Holland Dynamic specificity and the pairing of homologous chromosomes in meiosis . . . 395--397 Anonymous Pages 191--397 (May 1972) . . . . . . . ??
Narendra S. Goel and Gita Subba Rao and Martynas Ycas and Hans J. Bremermann and Lucy King A method for calculating codon frequencies in DNA . . . . . . . . . . . 399--420, IN1--IN2, 421--457 Joseph Yariv and Izchak Z. Steinberg and A. Joseph Kalb and Rachel Goldman and Ephraim Katchalski Permease as a rotatory carrier . . . . . 459--465 J. S. Kittredge and F. T. Takahashi The evolution of sex pheromone communication in the Arthropoda . . . . 467--471 E. Skadhauge and K. Kristensen An analogue computer simulation of cloacal resorption of salt and water from ureteral urine in birds . . . . . . 473--487 Huey-Wen Huang and Harold J. Morowitz A method for phenomenological analysis of ecological data . . . . . . . . . . . 489--503 N. R. Silvester and M. E. J. Holwill An analysis of hypothetical flagellar waveforms . . . . . . . . . . . . . . . 505--506, IN3, 507--523 C. J. Coakley and M. E. J. Holwill Propulsion of micro-organisms by three-dimensional flagellar waves . . . 525--542 Moon H. Han Non-linear Arrhenius plots in temperature-dependent kinetic studies of enzyme reactions: I. Single transition processes . . . . . . . . . . . . . . . 543--568 C. W. F. McClare A ``molecular energy'' muscle model . . 569--595 M. Weissbluth The Jahn--Teller effect in hemoglobin 597--600 A. G. Cairns-Smith and P. Ingram and G. L. Walker Formose production by minerals: Possible relevance to the origin of life . . . . 601--604 Anonymous Announcement . . . . . . . . . . . . . . 605--605 Anonymous Pages 399--605 (June 1972) . . . . . . . ??
Sherry Lewin Probabilities of formation of $ \alpha $-helices in poly-l-glutamic acid and in poly-l-aspartic acid . . . . . . . . . . 1--2, IN1--IN3, 3--7 W. L. Kilmer On some realistic constraints in prey-predator mathematics . . . . . . . 9--22 Arthur L. Koch Deviations from hyperbolic dependency of transport processes . . . . . . . . . . 23--40 David Gingell and V. Adrian Parsegian Computation of van der Waals interactions in aqueous systems using reflectivity data . . . . . . . . . . . 41--52 Chang-Yi Wang and Theodore L. Jahn A theory for the locomotion of spirochetes . . . . . . . . . . . . . . 53--60 V. S. Markin and Yu. A. Chismadjev Properties of a multicomponent excitable medium . . . . . . . . . . . . . . . . . 61--80 K. Kuba and T. Tomita Effects of noradrenaline on miniature end-plate potentials and on end-plate potential . . . . . . . . . . . . . . . 81--88 Gilda H. Loew and David D. Thomas Molecular orbital calculations of the catalytic effect of lysozyme: 1. Glu 35 as general acid catalyst . . . . . . . . 89--104 Peter Gilbert Iterative methods for the three-dimensional reconstruction of an object from projections . . . . . . . . 105--117 R. Wever Virtual synchronization towards the limits of the range of entrainment . . . 119--132 C. Hyver Impossibility of existence of undamped oscillations in linear chemical systems 133--138 James Philip F. J. Ryan Information, entropy and various systems 139--146 L. Frontali and G. Morpurgo A theoretical model for the intercistronic region . . . . . . . . . 147--151 A. Johnsson and H. G. Karlsson A feedback model for biological rhythms: I. Mathematical description and basic properties of the model . . . . . . . . 153--174 H. G. Karlsson and A. Johnsson A feedback model for biological rhythms: II. Comparisons with experimental results, especially on the petal rhythm of Kalanchoë . . . . . . . . . . . . . . 175--194 M. R. Watson Rate effectors and their role in metabolic control . . . . . . . . . . . 195--202 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--202 (July 1972) . . . . . . . . ??
Fumio Oosawa and Mutsumi Maruyama and Satoru Fujime Orientation distribution of globular protein molecules in a two-dimensional lattice: Computer simulation . . . . . . 203--214, IN1, 215--221 Guy Paillotin Transport and capture of electronic excitation energy in the photosynthetic apparatus . . . . . . . . . . . . . . . 223--235 Heinrich R. Karfunkel and Friedrich F. Seelig Reversal of inhibition of enzymes and the model of a spike oscillator . . . . 237--253 A. E. Hill Osmotic flow and solute reflection zones 255--270 A. E. Hill A theory of hydro-osmotic hormone action 271--281 V. Hlavácek and J. Sinkule and M. Kubícek A method for determining effects of diffusion on antocatalytic chemical reactions . . . . . . . . . . . . . . . 283--290 Charles S. Weaver and Eugene Dong A phase-sensitive vagal heart-rate control model . . . . . . . . . . . . . 291--311 L. A. Ball Implications of secondary structure in messenger RNA . . . . . . . . . . . . . 313--320 Raúl Figueroa and A. Soto and G. González and M. Pieber and \ldots J. C. Tohá Base sequence of a non-self-complementary messenger RNA of human heart cytochrome c . . . . . . . . 321--326 Masuyuki Katsumata Graphic representation of Botts--Morales equation for enzyme--substrate--modifier system . . . . . . . . . . . . . . . . . 327--338 Richard Ashley A hybrid theory of muscle contraction 339--354 Janett Trubatch and A. Van Harreveld Spread of iontophoretically injected ions in a tissue . . . . . . . . . . . . 355--358, IN3, 359--366 Robin T. Vollmer Twin concordance: A set theoretic and probability theory approach . . . . . . 367--378 George H. Malone and Stephen Prager and Thos. E. Hutchinson A simple model for diffusion in independent, temporally fluctuating pores . . . . . . . . . . . . . . . . . 379--395 W. E. Schotz Double label indices . . . . . . . . . . 397--412 Anonymous A principle for chemical multivibration 413--417 Philip B. Applewhite The flow of ions in learning and memory 419--423 Anonymous Announcement . . . . . . . . . . . . . . 425--425 Anonymous Pages 203--425 (August 1972) . . . . . . ??
Ted Mar and Govindjee Kinetic models of oxygen evolution in photosynthesis . . . . . . . . . . . . . 427--446 Akira Imamura and Hiroko Fujita and Chikayoshi Nagata A molecular orbital study on the alkylation and depurination reactions of the base components of nucleic acids . . 447--457 R. F. Steiner and J. Osborne and K. Flanigan The analysis of the binding of two ligands by an allosteric protein . . . . 459--477 Hugo M. Martinez Morphogenesis and chemical dissipative structures: A computer Simulated Case Study . . . . . . . . . . . . . . . . . 479--501 J. Leslie Glick and Alaknanda Majumdar A ``Loop'' model for integration of donor DNA into host DNA of eukaryote cells . . . . . . . . . . . . . . . . . 503--512 J. G. Taylor Spontaneous behaviour in neural networks 513--528 G. A. Parker and R. R. Baker and V. G. F. Smith The origin and evolution of gamete dimorphism and the male-female phenomenon . . . . . . . . . . . . . . . 529--553 A. W. Cuthbert A double (series) pump model for transporting epithelia . . . . . . . . . 555--568 Gerhard Schwarz Chemical relaxation of co-operative conformational transitions of linear biopolymers . . . . . . . . . . . . . . 569--580 Vernon Pratt Numerical taxonomy --- a critique . . . 581--592 W. J. Van Der Steen Ecology, evolution and explanatory patterns in biology . . . . . . . . . . 593--616 Michael A. Medici The immunoprotective niche --- a new pathogenic mechanism for syphilis, the systemic mycoses and other infectious diseases . . . . . . . . . . . . . . . . 617--625 Walter M. Elsasser A model of biological indeterminacy . . 627--633 Robert Rosen Are the dynamics of a system operationally determinable? . . . . . . 635--638 Charles R. Stewart Asymmetric replication and cellular differentiation . . . . . . . . . . . . 639--640 W. R. Lieb and W. D. Stein The influence of unstirred layers on the kinetics of carrier-mediated transport 641--645 Anonymous Pages 427--645 (September 1972) . . . . ??
Herbert A. Pohl and Joe S. Crane Dielectrophoretic force . . . . . . . . 1--13 Joe S. Crane and Herbert A. Pohl Theoretical models of cellular dielectrophoresis . . . . . . . . . . . 15--41 Richard Gordon and Narendra S. Goel and Malcolm S. Steinberg and Lawrence L. Wiseman A rheological mechanism sufficient to explain the kinetics of cell sorting . . 43--73 Ian G. Donaldson Cyclic longitudinal fibrillar motion as a basis for steady rotational protoplasmic streaming . . . . . . . . . 75--91 Eric Jakobsson An alternative approach to generalized complementarity . . . . . . . . . . . . 93--103 James J. Fischer and Rose J. Papac Theoretical considerations in combinations of localized and systemic therapy for neoplastic disease . . . . . 105--114 V. W. Steward and S. Rudofsky Integrating X-ray absorption for mass determination of cells: A new calibration method: Practical and theoretical . . . . . . . . . . . . . . 115--116, IN1, 117--124 M. G. Howat Postulates for partitioning variance: I. In body movement among its origins . . . 125--137 Max Kleiber Body size, conductance for animal heat flow and Newton's law of cooling . . . . 139--150 J. R. Smythies and F. Benington and R. D. Morin A mechanism for the interaction of a histone and DNA . . . . . . . . . . . . 151--154, IN3, 155--158 R. A. Alarcon Acrolein, a component of a universal cell-growth regulatory system: A theory 159--167 L. Weiss and J. P. Harlos Some speculations on the rate of adhesion of cells to coverslips . . . . 169--179 Anil Saran and Girjesh Govil CNDO calculations on the conformational structure of acetylcholine . . . . . . . 181--185 M. Ageno On molecular asymmetry in living organisms . . . . . . . . . . . . . . . 187--192 E. Jakobsson An entry into the debate on generalized complementarity . . . . . . . . . . . . 193--195 R. L. Nelson and H. S. Mason An explicit hypothesis for chemical carcinogenesis . . . . . . . . . . . . . 197--200 J. B. Chapman A macroscopic view of sodium exchange diffusion . . . . . . . . . . . . . . . 201--204 Warren H. Woolley A note on spatial localization and oscillatory cellular dynamics . . . . . 205--206 Anonymous Announcement . . . . . . . . . . . . . . 207--207 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--207 (October 1972) . . . . . . ??
R. J. Cedergren and Jeff R. Cordeau and Pierre Robillard On the phylogeny of t-RNA's . . . . . . 209--220 Barry B. Edelstein The dynamics of cellular differentiation and associated pattern formation . . . . 221--243 Robert Warren Finkel Biological prediction: A comparative approach . . . . . . . . . . . . . . . . 245--250 D. J. Mitchell and B. W. Ninham and P. Richmond Van der Waals forces between thin anisotropic cylinders . . . . . . . . . 251--259 Eric Stusnick and R. P. Hurst Numerical determination of membrane permeability parameters . . . . . . . . 261--271 Osamu AoNo and Shinpei Ohki Origin of resting potential of axon membrane . . . . . . . . . . . . . . . . 273--282 H. Moraal A model for the effects of binding and interaction energies on the kinetics of multivalent enzymes . . . . . . . . . . 283--290 Manuel Rotenberg Theory of population transport . . . . . 291--305 J. E. Critchlow and H. B. Dunford The use of transition state acid dissociation constants in pH-dependent enzyme kinetics . . . . . . . . . . . . 307--320 Philip Siekevitz The turnover of proteins and the usage of information . . . . . . . . . . . . . 321--334 James R. Fisher and David G. Priest and Janice S. Barton Random pathway models and their application to steady-state enzyme kinetics . . . . . . . . . . . . . . . . 335--352 T. Sachs A possible basis for apical organization in plants . . . . . . . . . . . . . . . 353--361 Philippa M. Wiggins Intracellular pH and the structure of cell water . . . . . . . . . . . . . . . 363--371 Allen Zelman and H. H. Shih The constant field approximation: Numerical evaluation for monovalent ions Migrating across a homogeneous membrane 373--383 Jonathan Bard A comment on homeostatic mechanisms . . 385--386 Anonymous Announcement . . . . . . . . . . . . . . 387--387 Anonymous Pages 209--387 (November 1972) . . . . . ??
Hagai Ginsburg Analysis of plant root electropotentials 389--412 R. J. Good Theory of the adhesion of cells and the spontaneous sorting-out of mixed cell aggregates . . . . . . . . . . . . . . . 413--434 Arnold J. Levine and Max M. Burger A working hypothesis explaining the maintenance of the transformed state by SV40 and polyoma . . . . . . . . . . . . 435--446 H. Gottfried The prostatic cell DNA-steroid association: A hypothesis of nuclear events and cytoplasmic consequences . . 447--454, IN1, 455--475 George G. Ross A difference-differential model in population dynamics . . . . . . . . . . 477--492 Philip J. Wyatt and David T. Phillips Structure of single bacteria from light scattering . . . . . . . . . . . . . . . 493--501 Kenneth B. Larson and Donald L. Snyder Measurement of relative blood flow, transit-time distributions and transport-model parameters by residue detection when radiotracer recirculates 503--529 Ernst Edvard Scheufens and Niels Rudolph Hartmann Use of gamma distributed transit times and the Laplace transform method in theoretical cell kinetics . . . . . . . 531--543 Lee A. Segel and Julius L. Jackson Dissipative structure: An explanation and an ecological example . . . . . . . 545--559 Lee A. Segel and Beth Stoeckly Instability of a layer of chemotactic cells, attractant and degrading enzyme 561--585 Igor E. Mikhaltsev On a general concept of memory . . . . . 587--595 Anonymous Pages 389--595 (December 1972) . . . . . ??
James E. Rothman The molecular basis of mesomorphic phase transitions in phospholipid systems . . 1--16 John R. K. Savage and D. G. Papworth The effect of variable G$_2$ duration upon the interpretation of yield-time curves of radiation-induced chromatid aberrations . . . . . . . . . . . . . . 17--38 Z. Simon Bacterial cell model: Cell cycle parameters and macromolecular synthesis 39--49 John R. Buysman Ion concentration and charge adjacent to electrically charged cell membrane . . . 51--59 H. Terry Hutchison A model for estimating the extent of variegation in mosaic tissues . . . . . 61--79 A. G. Craig Theory of radiation dose-survival curves for the case where organism lethality is defined as loss of reproductive capacity: II. Application to cells and physical interpretation . . . . . . . . 81--99 V. Adrian Parsegian and Barry W. Ninham Van der Waals forces in many-layered structures: Generalizations of the Lifshitz result for two semi-infinite media . . . . . . . . . . . . . . . . . 101--109 G. W. Paltridge On the shape of trees . . . . . . . . . 111--137 Fred C. Westall An explanation for the determination of ``self'' versus ``non-self'' proteins 139--141 Richard A. Albanese On microelectrode distortion of tissue oxygen tensions . . . . . . . . . . . . 143--154 Marshall R. Urist and Hisashi Iwata Preservation and biodegradation of the morphogenetic property of bone matrix 155--167 José Kaneti A molecular orbital study of the reaction catalysed by the enzyme adenosine kinase and its active site . . 169--179 Jelle Atema Microtubule theory of sensory transduction . . . . . . . . . . . . . . 181--190 Huey Wen Huang Kinetic theory of antibiotic ion carrier. III . . . . . . . . . . . . . . 191--196 James J. O'Brien and J. S. Wroblewski On advection in phytoplankton models . . 197--202 C. R. Woese The rotating ribosome: A gross mechanical model for translation . . . . 203--204 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--204 (January 1973) . . . . . . ??
Harry Blum Biological shape and visual science (part I) . . . . . . . . . . . . . . . . 205--287 Anthony V. Carrano and John A. Heddle The fate of chromosome aberrations . . . 289--304 Stanley E. Shackney A cytokinetic model for heterogeneous mammalian cell populations: I. Cell growth and cell death . . . . . . . . . 305--333 Paul Laffort and Andrew Dravnieks An approach to a physico-chemical model of olfactory stimulation in vertebrates by single compounds . . . . . . . . . . 335--345 Curtis E. Harris and David C. Teller Estimation of primary sequence homology from amino acid composition of evolutionary related proteins . . . . . 347--362 Arthur T. Winfree Polymorphic pattern formation in the fungus Nectria . . . . . . . . . . . . . 363--364, IN1--IN5, 365--382 E. Noldus A perturbation method for the analysis of impulse propagation in a mathematical neuron model . . . . . . . . . . . . . . 383--395 Leslie E. Blumenson and Irwin D. J. Bross Use of a mathematical model to bridge the clinic-laboratory gap: Local spread of endometrial cancer . . . . . . . . . 397--411 John B. Hall The nature of the host in the origin of the eukaryote cell . . . . . . . . . . . 413--418 H. Ronald Pulliam On the advantages of flocking . . . . . 419--422 Anonymous Pages 205--422 (February 1973) . . . . . ??
G. William Moore and M. Goodman and J. Barnabas An iterative approach from the standpoint of the additive hypothesis to the dendrogram problem posed by molecular data sets . . . . . . . . . . 423--457 G. William Moore and John Barnabas and Morris Goodman A method for constructing maximum parsimony ancestral amino acid sequences on a given network . . . . . . . . . . . 459--485 A. G. Fredrickson and J. L. Jost and H. M. Tsuchiya and Ping-hwa Hsu Predator--prey interactions between Malthusian populations . . . . . . . . . 487--526 R. J. MacGregor and R. M. Oliver A general-purpose electronic model for arbitrary configurations of neurons . . 527--534, IN1--IN8, 535--538 Frederick C. Wedler and Paul D. Boyer Mechanisms of enzyme control as probed by equilibrium exchange rates: Patterns of modifier effects with a two substrate, two product system . . . . . 539--558 A. S. Davydov The theory of contraction of proteins under their excitation . . . . . . . . . 559--569 J. W. Perram Relaxation times in bacteriological culture and the approach to steady state 571--578 H. Will and G. Damaschun Relationship between ligand binding and conformational change of macromolecules in the two-state allosteric model . . . 579--585 Robert S. Zucker Theoretical implications of the size principle of motoneurone recruitment . . 587--596 E. D. Stevens The evolution of endothermy . . . . . . 597--611 Anastasios D. Papaphilis On the rate of ribosome translocation anisotropy and ribosome saturation in the polysome . . . . . . . . . . . . . . 613--625 T. E. Wheldon and J. Kirk and W. M. Gray Mitotic autoregulation, growth control and neoplasia . . . . . . . . . . . . . 627--639 J. M. Findlay and G. J. Daniell A model for pattern recognition by cell networks . . . . . . . . . . . . . . . . 641--645 Ralph R. Meyer On the evolutionary origin of mitochondrial DNA . . . . . . . . . . . 647--663 Lee E. Ostrander and Joe E. Brand Functional Boolean models for systems with continuous variables . . . . . . . 665--675 D. Gingell Membrane permeability change by aggregation of mobile glycoprotein units 677--679 Anonymous Pages 423--679 (March 1973) . . . . . . ??
L. A. Blumenfeld and D. S. Chernavskii Tunnelling of electrons in biological processes . . . . . . . . . . . . . . . 1--7 Aldo Rescigno On transfer times in tracer experiments 9--27 Philip S. Grenetz and Albert List A model for predicting growth responses in plants to changes in external water potential: Zea mays primary roots . . . 29--45 Julian Lewis The theory of clonal mixing during growth . . . . . . . . . . . . . . . . . 47--54 J. E. Dowman Implications of stochastic inheritance 55--72 Warren H. Woolley and Andrew G. De Rocco Asynchronous division in cell colonies: I. General considerations and a linear control model . . . . . . . . . . . . . 73--89 Edwin T. Harper Kinetics of the two-sited enzyme: II. A method of distinguishing between anticooperative and independent active sites based on competitive inhibition 91--102 Leon Glass and Stuart A. Kauffman The logical analysis of continuous, non-linear biochemical control networks 103--129 W. S. Rehm and S. S. Sanders and R. L. Shoemaker and J. O'Callaghan and \ldots E. A. Friday Proton conductance of cell membranes . . 131--153 Robert M. May Mass and energy flow in closed ecosystems: A comment . . . . . . . . . 155--163 David B. Shear The generalized Boltzmann distribution 165--169 David B. Shear The chemical potential in solutions and the free energy of reaction . . . . . . 171--177 Alessandro Ferracin and Renato Paoluzi Some hypotheses about the structure of polypeptide chain termination signal in prokaryotes . . . . . . . . . . . . . . 179--182 Kjell Hansson Mild On the theoretical aspects of tracer exchange in red blood cells . . . . . . 183--189 R. Simons The constant field assumption for symmetric membrane systems . . . . . . . 191--194 Carl Sagan Ultraviolet selection pressure on the earliest organisms . . . . . . . . . . . 195--200 C. R. Olien Thermodynamic components of freezing stress . . . . . . . . . . . . . . . . . 201--210 Donald E. Strebel and Narendra S. Goel On the isocline methods for analyzing prey-predator interactions . . . . . . . 211--239 Jirí Zemlicka A possible role of organic activators in the ribosome-catalyzed peptide and ester bond formation . . . . . . . . . . . . . 241--248 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--248 (April 1973) . . . . . . . ??
W. Good The role of water in the origin of life and its function in the primitive gene 249--276 Paule Chevillotte Relation between the reaction cytochrome oxidase-oxygen and oxygen uptake in cells in vivo: The role of diffusion . . 277--295 Roger I. C. Hansell and Bland Ewing The detection and estimation of character weighting in classifications 297--314 T. A. McKean An electromechanical hypothesis for ciliary coordination in ciliated protozoa . . . . . . . . . . . . . . . . 315--319 Donald F. Hoelzl Wallach Possible processes in the immune surveillance of the intracellular space 321--324 J. Douglas Brailsford and Brian S. Bull The red cell --- a macromodel simulating the hypotonic-sphere isotonic-disc transformation . . . . . . . . . . . . . 325--326, IN1, 327--332 L. G. Harrison Evolution of biochemical systems with specific chiralities: A model involving territorial behaviour . . . . . . . . . 333--341 Stephen L. Brenner and Donald A. McQuarrie A self-consistent calculation of the free energy and electrostatic potential for a cylindrical polyion . . . . . . . 343--361 Frederick B. Rudolph and Herbert J. Fromm Kinetics of three substrate enzyme systems: Treatment of partially random mechanisms using equilibrium assumptions 363--371 Fumio Oosawa Field fluctuation in ionic solutions and its biological significance . . . . . . 373--386 H. A. Otten and L. N. M. Duysens An extension of the steady-state approximation of the kinetics of enzyme-containing systems . . . . . . . 387--396 Frank Papentin A Darwinian evolutionary system: I. Definition and basic properties . . . . 397--415 Frank Papentin A Darwinian evolutionary system: II. Experiments on protein evolution and evolutionary aspects of the genetic code 417--430 Frank Papentin A Darwinian evolutionary system: III. Experiments on the evolution of feeding patterns . . . . . . . . . . . . . . . . 431--445 George W. Roberts and Kenneth B. Larson and Edmund E. Spaeth The interpretation of mean transit time measurements for multiphase tissue systems . . . . . . . . . . . . . . . . 447--475 R. J. Cedergren and J. R. Cordeau The distribution of modified nucleosides in transfer RNAs . . . . . . . . . . . . 477--486 Anonymous Pages 249--486 (May 1973) . . . . . . . ??
Anonymous Erratum and comments . . . . . . . . . . i--i Michael E. Starzak A model for conductance changes in the squid giant axon: I. Interactive relaxation . . . . . . . . . . . . . . . 487--504 Michael E. Starzak A model for conductance changes in the squid giant axon: II. Channel kinetics 505--522 John A. Desimone and S. Roy Caplan Symmetry and the stationary state behavior of enzyme membranes . . . . . . 523--544 George C. Williams and Jeffry B. Mitton Why reproduce sexually? . . . . . . . . 545--554 A. C. Burton and P. B. Canham The behaviour of coupled biochemical oscillators as a model of contact inhibition of cellular division . . . . 555--580 A. Mazanov A multi-stage population model . . . . . 581--587 John Abernethy Interaction between sodium ion and non-electrolytes in the countercurrent systems of the kidney . . . . . . . . . 589--600 R. L. Prentice A design for studying the clustering of plant or animal species using quadrat sizes in geometric progression . . . . . 601--608 John Calkins The T--N--PR model of radiation response 609--622 Gary D. Gray and Harold E. Renis A hypothesis relating lymphocyte phosphorylation and transport of ara-C (Cytarabine) to its antiviral activity 623--632 John R. Clay and Narendra S. Goel Diffusion models for firing of a neuron with varying threshold . . . . . . . . . 633--644 D. E. Goldsack and R. C. Chalifoux Contribution of the free energy of mixing of hydrophobic side chains to the stability of the tertiary structure of proteins . . . . . . . . . . . . . . . . 645--651 D. Markowitz and R. M. Nisbet Co-operativity in biological machines 653--657 N. Mrosovsky Temperature and learning in poikilotherms . . . . . . . . . . . . . 659--663 Ricardo Ferreira Enzymes as orbital symmetry adapters . . 665--668 H. E. Frech Biological externalities and evolution: A comment . . . . . . . . . . . . . . . 669--672 D. Elder A multiple promoter model for transcriptional control in differentiated organisms . . . . . . . . 673--675 John McGinness and Peter Proctor The importance of the fact that melanin is black . . . . . . . . . . . . . . . . 677--678 Jawahar Tiwari and Alex Fraser Genetic regulation by feedback repression . . . . . . . . . . . . . . . 679--681 F. B. Reed Amino acids in meteorites . . . . . . . 683--683 Anonymous Pages 487--683 (June 1973) . . . . . . . ??
W. S. Silver and J. R. Postgate Evolution of asymbiotic nitrogen fixation . . . . . . . . . . . . . . . . 1--10 Huey Wen Huang Mobility and diffusion in the plane of cell membrane . . . . . . . . . . . . . 11--17 G. W. F. H. Borst-Pauwels Two site-single carrier transport kinetics . . . . . . . . . . . . . . . . 19--31 S. B. Barker and G. Cumming and K. Horsfield Quantitative morphometry of the branching structure of trees . . . . . . 33--43 A. M. Zhabotinsky and A. N. Zaikin Autowave processes in a distributed chemical system . . . . . . . . . . . . 45--56, IN1--IN3, 57--61 E. Pfaffelhuber Mathematical learning models and neuronal networks . . . . . . . . . . . 63--76 R. Wong and E. Harth Stationary states and transients in neural populations . . . . . . . . . . . 77--106 Gabor Kemeny and Indur M. Goklany Polarons and conformons . . . . . . . . 107--123 K.-J. Chang and D. J. Triggle Quantitative aspects of drug-receptor interactions: I. Ca$^{2+}$ and cholinergic receptor activation in smooth muscle: A basic model for drug-receptor interactions . . . . . . . 125--154 K.-J. Chang and D. J. Triggle Quantitative aspects of drug-receptor interactions: II. The role of Ca$_{\rm mem}^{2+}$ in desensitization and spasmolytic activity . . . . . . . . . . 155--172 G. R. Seely Effects of spectral variety and molecular orientation on energy trapping in the photosynthetic unit: A model calculation . . . . . . . . . . . . . . 173--187 G. R. Seely Energy transfer in a model of the photosynthetic unit of green plants . . 189--199 Arthur M. Lesk On hypothesized selective pressure by u.v. on DNA base compositions . . . . . 201--202 A. L. Mackay How to organize a typists' pool --- an operational analysis of an old metaphor 203--204 Anonymous Announcement . . . . . . . . . . . . . . 205--205 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--205 (July 1973) . . . . . . . . ??
Ian Vine Detection of prey flocks by predators 207--210 Lemont B. Kier Chlorpromazine and serotonin: Conformational similarities correlating with activities . . . . . . . . . . . . 211--217 Herbert Hatze A theory of contraction and a mathematical model of striated muscle 219--246 J. B. Moffat The protonation of peptides: A non-empirical theoretical study . . . . 247--258 R. R. Dogonadze and J. Ulstrup and Yu. I. Kharkats A theory of polar medium electron transfer reactions through bridge groups with a quasicontinuous energy spectrum 259--277 R. R. Dogonadze and J. Ulstrup and Yu. I. Kharkats A theory of bridge-assisted polar medium electron transfer reactions between molecules having quasicontinuous electronic energy spectra . . . . . . . 279--283 W. T. Riley Amino acid sequences and double-stranded messages --- a means of directing the site of mutation? . . . . . . . . . . . 285--300 Kenzi Ishida Non-equilibrium thermodynamics of marginal- and conditional-open chemical systems . . . . . . . . . . . . . . . . 301--327 John H. Young Membrane tubularization and osmotic swelling in mitochrondria . . . . . . . 329--335 William M. Rand A stochastic model of the temporal aspect of breeding strategies . . . . . 337--351 J. H. Claxton and C. A. Sholl A model of pattern formation in the primary skin follicle population of sheep . . . . . . . . . . . . . . . . . 353--367 R. M. Capocelli and L. M. Ricciardi A continuous Markovian model for neuronal activity . . . . . . . . . . . 369--387 Morton E. Gurtin A system of equations for age-dependent population diffusion . . . . . . . . . . 389--392 Jack M. George and Lemont B. Kier Conformation of thyrotropin-releasing hormone: Prediction from molecular orbital theory . . . . . . . . . . . . . 393--394, IN1, 395--396 L. R. Hill A fault in Pratt's critique of numerical taxonomy? . . . . . . . . . . . . . . . 397--398 David Markowitz Generalized complementarity re-entered 399--402 Eric Jakobsson Response to ``generalized complementarity re-entered'' . . . . . . 403--407 Anonymous Pages 207--407 (15 August 1973) . . . . ??
C. J. Gillespie Towards a molecular theory of the nerve membrane . . . . . . . . . . . . . . . . 409--428 Raymond L. Czaplewski A methodology for evaluation of parent-mutant competition using a generalized non-linear ecosystem model 429--439 Claude Giessner-Prettre and Bernard Pullman Molecular orbital calculations of the proton-proton coupling constants in nucleosides . . . . . . . . . . . . . . 441--444, IN1, 445--454 John A. Kiger The bithorax complex --- a model for cell determination in \bionameDrosophila 455--467 Ernest H. Polak Multiple profile-multiple receptor site model for vertebrate olfaction . . . . . 469--484 Robert H. Boling Toward state-space models for biological populations . . . . . . . . . . . . . . 485--506 Kenneth W. Nickerson Biological functions of multistable proteins . . . . . . . . . . . . . . . . 507--515 Richard FitzHugh Dimensional analysis of nerve models . . 517--541 Phillip I. Good Alternative mechanisms for homeostatic regulation of mammalian cell populations 543--552 U. N. Singh Polyribosomes and unstable messenger RNA III. Temporal relationship between the syntheses of mRNA and inducible enzymet 553--571 Goesta H. Granlund The use of distribution functions to describe integrated density profiles of human chromosomes . . . . . . . . . . . 573--589 Kristian E. Schreiner Geometrical restrictions on cross-bridge motion and sliding filament dynamics . . 591--601 Michael Ruse On the supposed incoherence of numerical taxonomy . . . . . . . . . . . . . . . . 603--605 J. N. Ketley and A. D. Ketley A suggested function of RNA-linked fragments in DNA replication . . . . . . 607--609 Anonymous Pages 409--609 (22 August 1973) . . . . ??
P. L. Antonelli and T. D. Rogers and M. A. Willard Geometry and the exchange principle in cell aggregation kinetics . . . . . . . 1--21 Frank Jordan The electronic structure of and conformational energy barrier to rotation around the C--N glycosidic linkage in adenosine-3', 5'-cyclicmonophosphate (cyclic AMP) and its phosphonate analog . . . . . . . . . 23--40 David A. Cotter Spore germination in Dictyostelium discoideum: I. The thermodynamics of reversible activation . . . . . . . . . 41--51 H. J. R. Weintraub and A. J. Hopfinger Conformational analysis of some phenethylamine molecules . . . . . . . . 53--75 D. W. DeMichele and Peter J. H. Sharpe An analysis of the mechanics of guard cell motion . . . . . . . . . . . . . . 77--78, IN1--IN2, 79--96 F. J. Muller and W. K. Taylor A comparative study of electronic and neural networks involved in pattern recognition . . . . . . . . . . . . . . 97--118 J. Lubliner An analysis of interfilament shear in flagella . . . . . . . . . . . . . . . . 119--125 Giuseppe Caserta and Tommaso Cervigni A piezoelectric transducer model for phosphorylation in photosynthetic membranes . . . . . . . . . . . . . . . 127--142 Ralph Nossal and George H. Weiss Analysis of a densitometry assay for bacterial chemotaxis . . . . . . . . . . 143--147 E. R. Smith and D. J. Mitchell and B. W. Ninham Van der Waals forces between cylinders: Arrays of thin cylinders and three body forces . . . . . . . . . . . . . . . . . 149--160 John H. Vandermeer On the regional stabilization of locally unstable predator--prey relationships 161--170 Jirí Novotný Genealogy of immunoglobulin polypeptide chains: A consequence of amino acid interactions, conserved in their tertiary structures . . . . . . . . . . 171--180 A. M. Olovnikov A theory of marginotomy: The incomplete copying of template margin in enzymic synthesis of polynucleotides and biological significance of the phenomenon . . . . . . . . . . . . . . . 181--190 David Gaudin Some thoughts on a possible relationship between known gene dosage effects and neoplastic transformation . . . . . . . 191--200 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--200 (14 September 1973) . . . . ??
Gerald Rosen Fundamental theoretical aspects of bacterial chemotaxis . . . . . . . . . . 201--208 Robert M. Lebovitz Significance of microthermal effects derived from low level UHF-microwave irradiation of the head: Indirect caloric vestibular stimulation . . . . . 209--221 Hugh B. G. Thomas ``Noise'' as a unifying concept in the theory of schizophrenia . . . . . . . . 223--242 L. Andrew Ball Mutual influence of the secondary structure and information content of a messenger RNA . . . . . . . . . . . . . 243--247 P. P. G. Bateson Preferences for familiarity and novelty: A model for the simultaneous development of both . . . . . . . . . . . . . . . . 249--259 T. E. Wheldon and J. Kirk Induction, differentiation and oncogenesis . . . . . . . . . . . . . . 261--268 P. G. Smith Dependence of ion flux across a membrane on ionic concentration . . . . . . . . . 269--286 J. H. Bigelow and J. C. DeHaven and M. L. Shapley Systems analysis of the renal function 287--322 R. B. Pinter and R. D. Martin and P. O. Neudorfer Invariance of least squared-error estimation under some commonly used neurophysiological data pre-processing methods . . . . . . . . . . . . . . . . 323--330 Howard D. Thames Dependence of stability on inter-enzyme distance in cooperative systems . . . . 331--345 M. L. Shuler and H. M. Tsuchiya and R. Aris Diffusive and electrostatic effects with insolubilized enzymes subject to substrate inhibition . . . . . . . . . . 347--356 Frederick G. Walz A proposed mechanism for myosin magnesium adenosine triphosphatase activity . . . . . . . . . . . . . . . . 357--364, IN1--IN5, 365--373 Frank Jordan Lennard-Jones potential calculations of the barrier to rotation around the glycosidic C--N linkage in selected purine nucleosides and nucleotides. A direct comparison of the results of 6--12 potential calculations with results of semiempirical molecular orbital studies . . . . . . . . . . . . 375--395 Shigeru Kounosu A note on the resonant oscillator model of the chemicomechanical energy conversion in muscle contraction . . . . 397--399 Anonymous Pages 201--399 (21 September 1973) . . . ??
S. Rotshenker and Y. Palti Changes in fraction of current penetrating an axon as a function of duration of stimulating pulse . . . . . 401--407 S. N. Fishman Conditions of appearance of local response and action potential in a simple mathematical model of nerve . . . 409--420 Edwin H. Bryant Habitat selection in a variable environment . . . . . . . . . . . . . . 421--429 D. A. Denisov and L. N. Drozdov-Tichomirov and D. N. Grigoryeva Pattern recognition methods for prediction of helical region in proteins 431--439 I. G. Darvey The relationship between steady-state kinetic parameters and equilibrium parameters for one substrate/one product enzymic reactions . . . . . . . . . . . 441--450 Aldo Rescigno and Lester D. Michels On dispersion in tracer experiments . . 451--460 J. L. Jost and J. F. Drake and H. M. Tsuchiya and A. G. Fredrickson Microbial food chains and food webs . . 461--484 Hideaki Umeyama and Akira Imamura and Chikayoshi Nagata and Manabu Hanano A molecular orbital study on the enzymic reaction mechanism of $ \alpha $-chymotrypsm . . . . . . . . . . . . . 485--502 Hong-Sup Hahn and Peter J. Ortoleva and John Ross Chemical oscillations and multiple steady states due to variable boundary permeability . . . . . . . . . . . . . . 503--521 Gerald M. Maggiora Theoretical aspects of the structural chemistry of biotin I. The electronic structure of biotin and protonated biotins . . . . . . . . . . . . . . . . 523--534 Bruce Hannon The structure of ecosystems . . . . . . 535--546 Bruce K. Hamilton and Larry J. Stockmeyer and Clark K. Colton Comments on diffusive and electrostatic effects with immobilized enzymes . . . . 547--560 S. Nir and R. Rein and L. Weiss Further comments on the applicability of certain approximations of the Lifshitz theory to thin films . . . . . . . . . . 561--566 Sándor Damianovich and Bela Somogyi A molecular enzyme model based on oriented energy transfer . . . . . . . . 567--569 Anonymous Pages 401--569 (October 1973) . . . . . ??
Gabor T. Herman and Arnold Lent and Stuart W. Rowland ART: Mathematics and applications: A report on the mathematical foundations and on the applicability to real data of the algebraic reconstruction techniques 1--18, IN1--IN2, 19--32 M. Zamir and Margot R. Roach Blood flow downstream of a two-dimensional bifurcation . . . . . . 33--48 Helen Boyd ATP as a nerve transmitter substance . . 49--52, IN3, 53 I. G. Darvey Kinetics of isotope exchange at equilibrium for a one substrate-one product enzyme mechanism . . . . . . . . 55--62 Vidyanand Nanjundiah Chemotaxis, signal relaying and aggregation morphology . . . . . . . . . 63--105 T. E. Wheldon and J. Kirk An error cascade mechanism for tumour progression . . . . . . . . . . . . . . 107--111 Philippa M. Wiggins Intracellular pH of deep and superficial muscle fibres . . . . . . . . . . . . . 113--117 Curtis D. Mobley A systematic approach to ecosystems analysis . . . . . . . . . . . . . . . . 119--136 Jean-Marc Engasser and Csaba Horvath Effect of internal diffusion in heterogeneous enzyme systems: Evaluation of true kinetic parameters and substrate diffusivity . . . . . . . . . . . . . . 137--155 Stephen C. Smeach and Woollocott Smith A comparison of stochastic and deterministic models for cell membrane transport . . . . . . . . . . . . . . . 157--167 B. A. Horwitz and L. P. Horwitz Electronic distribution coding in cellular differentiation . . . . . . . . 169--176 Takis Anagnostopoulos The partial conductances of limiting membranes in epithelial tissues . . . . 177--179 Frank T. Koide Derivation of $k$ parameter of smooth muscle bridge resistance equations . . . 181--183 E. Szabadi and C. M. Bradshaw Spread of drags in tissue: Diffusion or iontophoresis? . . . . . . . . . . . . . 185--187 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--187 (5 November 1973) . . . . . ??
M. Teodorescu A hypothesis on the role of immune RNA in antibody variability . . . . . . . . 189--218 E. M. Shoemaker and L. M. Srivastava The mechanics of stomatal opening in corn (\bionameZea mays L.) leaves . . . 219--220, IN1--IN2, 221--225 Henry R. Hirsch and Howard J. Curtis Dynamics of growth in mammalian diploid tissue cultures . . . . . . . . . . . . 227--244 Thomas A. Reichert and Donald N. Cohen and Andrew K. C. Wong An application of information theory to genetic mutations and the matching of polypeptide sequences . . . . . . . . . 245--261 D. R. Miller and D. E. Weidhaas and R. C. Hall Parameter sensitivity in insect population modeling . . . . . . . . . . 263--274 Alexander L. Dounce and Subir K. Chanda and Philip L. Townes The structure of higher eukaryotic chromosomes . . . . . . . . . . . . . . 275--280, IN3--IN6, 281--285 M. H. Friedman Critique of current theories of corneal hydration control . . . . . . . . . . . 287--306 George G. Ross A model for the competitive growth of two diatoms . . . . . . . . . . . . . . 307--331 George G. Ross A population model for limited food competition . . . . . . . . . . . . . . 333--347 John R. Parks Diet space and response surfaces . . . . 349--358 Wolfgang M. Schleidt Tonic communication: Continual effects of discrete signs in animal communication systems . . . . . . . . . 359--386 D. Mauzerall and A. Chivvis A novel cyclical approach to the oxygen producing mechanism of photosynthesis 387--395 Anonymous Pages 189--395 (15 November 1973) . . . ??
C. Hyver Valeurs propres des syst\`emes de transformation représentables par des graphes en arbres . . . . . . . . . . . 397--409 J. N. Israelachvili Van der Waals forces involving thin rods 411--417 S. Basu Theory of linear dichroism of DNA and DNA-containing structures . . . . . . . 419--441 Hideo Murakami and Hiromasa Mori and Sadako Taira Active centre model on the structure and function of the bleomycin molecule as the prototype of esteratic enzymes . . . 443--460 Hisao Honda Pattern formation of the coenobial algae Pediastrum biwae Negoro . . . . . . . . 461--464, IN1--IN6, 465--481 A. J. Durston \bionameDictyostelium discoideum aggregation fields as excitable media 483--504 J. R. Parks A stochastic model of animal growth . . 505--518 C. J. Gillespie Towards a molecular theory of the nerve membrane: The significance of the quasithreshold behaviour . . . . . . . . 519--531 C. J. Gillespie Towards a molecular theory of the nerve membrane: Prediction of the maximum negative conductance . . . . . . . . . . 533--543 Alan Cooper An analysis of the possible source of contractile forces in striated muscle 545--562 René Thomas Boolean formalization of genetic control circuits . . . . . . . . . . . . . . . . 563--585 Augustine C. Chen Comment on comparative approach . . . . 587--589 Robert W. Finkel Response to Chen's comment . . . . . . . 591--592 Shinpei Ohki Evidence for a new concept of membrane potential . . . . . . . . . . . . . . . 593--596 Anonymous Pages 397--596 (December 1973) . . . . . ??
Anonymous Editorial Board . . . . . . . . . . . . i--i Anonymous Index to volume 43 . . . . . . . . . . . vii--xii Louis M. Shotkin A model for LH levels in the recently-castrated adult rat and its comparison with experiment . . . . . . . 1--14 Louis M. Shotkin A model for the effect of daily injections of gonadal hormones on LH levels in recently-castrated adult rats and its comparison with experiment . . . 15--28 J. R. Smythies and F. Benington and R. J. Bradley and W. F. Bridgers and R. D. Morin The molecular structure of the sodium channel . . . . . . . . . . . . . . . . 29--32, IN1--IN8, 33--42 Y. Salu Computer simulation of electrical activity of the heart . . . . . . . . . 43--49 Gerald M. Maggiora Theoretical aspects of the structural chemistry of biotin II. Carboxylated biotins . . . . . . . . . . . . . . . . 51--64 J. R. Smythies and F. Benington and R. J. Bradley and W. F. Bridgers and R. D. Morin On the molecular mechanism of action of scorpion neurotoxin: II. From Androctonus australis hector . . . . . . 65--72, IN9, 69--72 J. S. Frame Explicit solutions in two species Volterra systems . . . . . . . . . . . . 73--81 H. G. Othmer and L. E. Scriven Non-linear aspects of dynamic pattern in cellular networks . . . . . . . . . . . 83--112 M. J. Murray Conductile trees: Obtaining structural and functional information from endpoint measurements . . . . . . . . . . . . . . 113--132 Elinor Miller Levy Flagellar elongation: An example of controlled growth . . . . . . . . . . . 133--149 James D. Williams and John M. Bowen Effects of quantal unit latency on statistics of Poisson and binomial neurotransmitter release mechanisms . . 151--165 David Moore Dynamic unwinding of DNA helices: A mechanism for genetic recombination . . 167--186 C. Wesley Dingman Bidirectional chromosome replication: Some topological considerations . . . . 187--195 C. W. Barnhill and K. Lemone Yielding A model for antibody diversity based on non-conservative DNA synthesis errors 197--209 Jean-Pierre Garel Functional adaptation of tRNA population 211--225 Anonymous Announcement . . . . . . . . . . . . . . 227--227 Anonymous Pages 1--227 (January 1974) . . . . . . ??
J. V. Maxham and H. J. Hickman Substrate diffusion and uptake within spherical bacterial flocs . . . . . . . 229--239 T. N. Bhargava and P. H. Doyle A geometric study of diversity . . . . . 241--251 Mahadevappa Kumbar Supercoiled DNA: Hydrodynamic model . . 253--263 Ronald C. Tai and Hsin-kang Chang Oxygen transport in heterogeneous tissue 265--276 D. J. Webb The statistics of relative abundance and diversity . . . . . . . . . . . . . . . 277--291 C. J. Swanson Application of thin shell theory to helically-wound fibrous cuticles . . . . 293--304 Richard W. Lymn Effect of modifier on three-step enzymic process: General rate equation . . . . . 305--312 Richard W. Lymn Actin activation of the myosin ATPase: A kinetic analysis . . . . . . . . . . . . 313--328 Demetrios Papahadjopoulos Cholesterol and cell membrane function: A hypothesis concerning the etiology of atherosclerosis . . . . . . . . . . . . 329--337 John H. Young Light induced dipole layers in the thylakoid membrane . . . . . . . . . . . 339--350 Ken Nishikaw and Tatsuo Ooi Comparison of homologous tertiary structures of proteins . . . . . . . . . 351--374 Jacob Jorné The effects of ionic migration on oscillations and pattern formation in chemical systems . . . . . . . . . . . . 375--380 Kenneth Rafanelli and Stephen Orenstein On the inclusion of spontaneous emission in a neuronic equation of state . . . . 381--383 M. Benassi and R. Paoluzi and A. Ferracin Polypeptide chain termination signal in prokaryotes: Further considerations about protection against the appearance of translational restarts out of frame 385--387 L. Farnell and W. G. Richards and C. R. Ganellin Calculation of conformational free energy of histamine . . . . . . . . . . 389--392 G. S. Brindley The potentialities of different kinds of modifiable synapses . . . . . . . . . . 393--396 Anonymous Pages 229--396 (February 1974) . . . . . ??
Anonymous Editorial Board . . . . . . . . . . . . i--i Anonymous Index to volume 44 . . . . . . . . . . . vii--xi Charles Walter The validity of using a quasi-steady state approximation for the reversible Michaelis--Menten mechanism of enzyme action . . . . . . . . . . . . . . . . . 1--5 Arthur M. Lesk A combinatorial study of the effects of admitting non-watson-crick base pairings and of base composition on the helix-forming potential of polynucleotides of random sequence . . . 7--17 Leigh Van Valen Predation and species diversity . . . . 19--21 G. W. Paltridge and J. V. Denholm Plant yield and the switch from vegetative to reproductive growth . . . 23--34 Michael E. Gilpin A Liapunov function for competition communities . . . . . . . . . . . . . . 35--48 Stanley E. Shackney A cytokinetic model for heterogeneous mammalian cell populations: II. Tritiated thymidine studies: The per cent labeled mitosis (PLM) curve . . . . 49--90 Gary E. Kaufman and Morton W. Miller and John R. K. Savage and D. G. Papworth Chromosome aberration yields from multiple fixation regimens . . . . . . . 91--103 Robert J. Mulholland and Marvin S. Keener Analysis of linear compartment models for ecosystems . . . . . . . . . . . . . 105--116 K. Laki Actin as an energy transducer . . . . . 117--130 P. Chuknyiski Some equilibrium and non-equilibrium properties of the allosteric interactions in enzymes I. Ligand binding and saturation equations . . . . 131--140 W. T. Riley Nucleic acid sizes --- a role for histones? . . . . . . . . . . . . . . . 141--143 Martynas Ycas On earlier states of the biochemical system . . . . . . . . . . . . . . . . . 145--160 S. Ainsworth A slide rule for deriving the rate equations of enzyme catalysed reactions with unbranched mechanisms . . . . . . . 161--165 Stuart Kauffman The large scale structure and dynamics of gene control circuits: An ensemble approach . . . . . . . . . . . . . . . . 167--190 Anonymous Pages 1--190 (March 1974) . . . . . . . ??
René Thomas Boolean formalization of genetic control circuits . . . . . . . . . . . . . . . . i--i Karl David Straub A solid state theory of oxidative phosphorylation . . . . . . . . . . . . 191--206 Kenneth M. Pruitt and Malcolm E. Turner and Robert J. Boackle A kinetic model for the quantitative analysis of complement . . . . . . . . . 207--217 Charles F. Walter Some dynamic properties of linear, hyperbolic and sigmoidal multi-enzyme systems with feedback control . . . . . 219--240 Gérard Vassent Multi-random billing molecular interactions: A general kinetic model 241--270 A. V. Vologodskii and M. D. Frank-Kamenetskii and A. V. Lukashin Theory of co-operative formation of defects in DNA molecule under ultraviolet irradiation . . . . . . . . 271--286 Paul J. Palatt and Henry Sackin and Roger I. Tanner A hydrodynamic model of a permeable tubule . . . . . . . . . . . . . . . . . 287--303 John A. Thoma Separation of factors responsible for lysozyme catalysis . . . . . . . . . . . 305--317 J. C. Barrett Parity models of cell proliferation . . 319--336 Sungzong Kang and Mark Froimowitz and David Hankins Conformation of 2,3-diformylglycerol, a model compound of membrane phospholipids 337--347 James D. Williams and John M. Bowen Membrane capacitance and correction of end-plate potentials for bonlinear summation of quantal units . . . . . . . 349--351 Y. J. Kim and A. J. Valleron Analytical expressions for PLM($t$), CL($t$) and CLM($t$) without use of Laplace transforms . . . . . . . . . . . 353--365 Alexander Levitzki Negative co-operativity in clustered receptors as a possible basis for membrane action . . . . . . . . . . . . 367--372 Arthur L. Koch Coexistence resulting from an alternation of density dependent and density independent growth . . . . . . . 373--386 Arthur L. Koch Competitive coexistence of two predators utilizing the same prey under constant environmental conditions . . . . . . . . 387--395 Virgil Dugan and Ralph Trujillo On a fundamental problem in radiation biology . . . . . . . . . . . . . . . . 397--401 D. Aj\`o and R. Fidenzi and A. Damiani and A. Lapiccirella A comment on CNDO/2 conformational energy of acetylcholine . . . . . . . . 403--404 Anonymous Pages 191--404 (April 1974) . . . . . . ??
Irving Adler A model of contact pressure in phyllotaxis . . . . . . . . . . . . . . 1--79 Franklin F. Offner Solution of the time-dependent ionic diffusion equation . . . . . . . . . . . 81--91 R. F. Steiner The binding of ligand by an associating protein system . . . . . . . . . . . . . 93--106 Robert L. Macdonald and James E. Mann and Nick Sperelakis Derivation of general equations describing tracer diffusion in any two-compartment tissue with application to ionic diffusion in cylindrical muscle bundles . . . . . . . . . . . . . . . . 107--130 Michael K. Bach A molecular theory to explain the mechanisms of allergic histamine release 131--151 M. H. Friedman A physical description of the pathogenesis, histopathology and treatment of corneal epithelial edema 153--169 Uwe Borgmann A theoretical description of biological rates . . . . . . . . . . . . . . . . . 171--182 John Blake Hydrodynamic calculations on the movements of cilia and flagella I. Paramecium . . . . . . . . . . . . . . . 183--203 George O. Batzli Production, assimilation and accumulation of organic matter in ecosystems . . . . . . . . . . . . . . . 205--217 K. Tawada and S. Kounosu and F. Oosawa An ``active enzyme'' muscle model . . . 219--233 Leigh Van Valen Multivariate structural statistics in natural history . . . . . . . . . . . . 235--247 John W. Moore and Fidel Ramon On numerical integration of the Hodgkin and Huxley equations for a membrane action potential . . . . . . . . . . . . 249--273 A. M. Albano Cole-Moore superposition and kinetic models for the potassium conductance of nerve fiber membranes . . . . . . . . . 275--282 G. S. Bakken and D. M. Gates Notes on ``Heat loss from a Newtonian animal'' . . . . . . . . . . . . . . . . 283--292 Anonymous Erratum . . . . . . . . . . . . . . . . 293--293 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--293 (May 1974) . . . . . . . . ??
H. Atlan On a formal definition of organization 295--304 A. M. Hasofer A probability model for the fusion of nucleoli in metabolic cells . . . . . . 305--310 Jawahar Tiwari and Alex Fraser and Richard Beckman Genetical feedback repression I. Single locus models . . . . . . . . . . . . . . 311--326 Gordon M. Crippen Topology of globular proteins . . . . . 327--338 F. W. T. Penning De Vries and A. H. M. Brunsting and H. H. Van Laar Products, requirements and efficiency of biosynthesis a quantitative approach . . 339--377 Hans Bremer and Jeffrey Hymes and Patrick P. Dennis Ribosomal RNA chain growth rate and RNA labeling patterns in \bionameEscherichia coli Br . . . . . . . . . . . . . . . . 379--403 Ingemar Lundström and Douglas McQueen A proposed 1f noise mechanism in nerve cell membranes . . . . . . . . . . . . . 405--409 Hiroko Fujita and Akira Imamura and Chikayoshi Nagata A molecular orbital study of stability and the conformation of double-stranded DNA-like polymers . . . . . . . . . . . 411--433 M. P. Austin and B. G. Cook Ecosystem stability: A result from an abstract simulation . . . . . . . . . . 435--458 D. R. P. Hettiaratchi and J. R. O'Callaghan A membrane model of plant cell extension 459--465 Phil Diamond Area of discovery of an insect parasite 467--471 Kent W. Thornton and Robert J. Mulholland Lagrange stabffity and ecological system 473--485 Ingemar Lundström Mechanical wave propagation on nerve axons . . . . . . . . . . . . . . . . . 487--499 Jonathan Bard and Ian Lauder How well does Turing's theory of morphogenesis work? . . . . . . . . . . 501--531 R. A. Elton Theoretical models for heterogeneity of base composition in DNA . . . . . . . . 533--553 Charles Delisi A theory of precipitation and agglutination reactions in immunological systems . . . . . . . . . . . . . . . . 555--575 Daniel W. Miles and Douglas L. Miles and H. Eyring A molecular orbital study of the conformation of formycin . . . . . . . . 577--583 Michael Conrad The limits of biological simulation . . 585--590 Fred C. Westall A possible affect of serotonin on the basic protein of myelin . . . . . . . . 591--592 L. F. Jaffe and K. R. Robinson and B. F. PicowoLou A uniform current model of the endogenous current in an egg . . . . . . 593--595 G. T. Herman and A. Lent and S. W. Rowland ART: Mathematics and applications a report on the mathematical foundations and on the applicability to real data of the algebraic reconstruction techniques 597--597 Anonymous Pages 295--597 (June 1974) . . . . . . . ??
Hideaki Umeyama and Akira Imamura and Chikayoshi Nagata Molecular orbital study on the interaction between coenzymes and enzymes; NAD + or NADH and dehydrogenases . . . . . . . . . . . . . 1--19 Nobuo Fukuda and Nagasumi Yago Population dynamics of mitochondria I. A model for the role of ACTH in the degradation of adrenocortical mitochondria . . . . . . . . . . . . . . 21--30 David J. M. Park The hierarchical structure of metabolic networks and the construction of efficient metabolic simulators . . . . . 31--74 H. A. Otten A mathematical analysis of the relation between (bacterio) chlorophyll fluorescence yield and the concentration of reaction centre traps in photosynthesis . . . . . . . . . . . . . 75--100 Gordon L. Amidon Theoretical calculations on an acetic acid, $5$-methylimidazole, methanol hydrogen bond network: A model charge relay system . . . . . . . . . . . . . . 101--109 Jack M. George and Lemant B. Kier Molecular orbital studies of the conformation around the 5 position in angiotensin II . . . . . . . . . . . . . 111--115 Stephen Cooper A criterion for using chloramphenicol to define different processes in the initiation of DNA synthesis in bacteria 117--127 C. H. Lin and L. V. McIntire Oscillatory finite amplitude supercritical equilibria induced by active stress . . . . . . . . . . . . . 129--142 Harold F. Blum Uncertainty of growth of cell populations in cancer . . . . . . . . . 143--166 Michael Conrad Evolutionary learning circuits . . . . . 167--188 Terry L. Scribner and Lee A. Segel and Edwin H. Rogers A numerical study of the formation and propagation of traveling bands of chemotactic bacteria . . . . . . . . . . 189--219 P. Amati A working model for oncogenic DNA virus replication . . . . . . . . . . . . . . 221--227 Ravindra Tewari and Rabindra K. Nanda and Girjesh Govil Quantum chemical studies on the conformational structure of nucleic acids IV. Calculation of backbone structure by CNDO method . . . . . . . . 229--239 H. L. Scott A model for phase transitions in lipid bilayers and biological membranes . . . 241--253 Mary B. Dratman On the mechanism of action of thyroxin, an amino acid analog of tyrosine . . . . 255--270 Alex Mazanov and Keith P. Tognetti Taylor series expansion of delay differential equations --- a warning . . 271--282 Nancy Knowlton A note on the evolution of gamete dimorphism . . . . . . . . . . . . . . . 283--285 J. J. Blum A note on fluid transport in ciliated tubules . . . . . . . . . . . . . . . . 287--290 Jerome L. Sullivan and A. Gib DeBusk Membrane glycoproteins and cellular ageing . . . . . . . . . . . . . . . . . 291--294 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--294 (July 1974) . . . . . . . . ??
Henry N. Hayhoe Shunting effect on resistance measurements in visceral smooth muscle tissue . . . . . . . . . . . . . . . . . 295--305 R. B. Stein and E. Y.-M. Wong Analysis of models for the activation and contraction of muscle . . . . . . . 307--327 D. T. Warner Additional applications of the hexagonal conformation to calcitonin, myoglobin and other proteins of known sequence . . 329--351 W. E. Schotz Double label estimation of the mean duration of the S-phase . . . . . . . . 353--368 Hubert P. Yockey An application of information theory to the central dogma and the sequence hypothesis . . . . . . . . . . . . . . . 369--406 Francis K. Fong Energy upconversion theory of the primary photochemical reaction in plant photosynthesis . . . . . . . . . . . . . 407--420 V. Braitenberg Thoughts on the cerebral cortex . . . . 421--447 Howard Winet and Theodore L. Jahn Geotaxis in Protozoa I. A propulsion-gravity model for tetrahymena (Ciliata) . . . . . . . . . . . . . . . 449--465 H. B. Dunford Kinetic exclusion rules applied to the study of pH-dependent enzyme reactions: Application of the diffusion-controlled limit . . . . . . . . . . . . . . . . . 467--479 John E. Hunter A model of activity I and sleep . . . . 481--499 Robert S. Krooth A deterministic mechanism for cellular and organismic ageing . . . . . . . . . 501--507 J. W. Osborn On the control of tooth replacement in reptiles and its relationship to growth 509--527 Lemont B. Kier and Haven S. Aldrich A theoretical study of receptor site models for trimethylammonium group interaction . . . . . . . . . . . . . . 529--541 László Polgár and Bence Asbóth On the stereochemistry of catalysis by serine proteases . . . . . . . . . . . . 543--558 Joseph Dreitlein and Marie-Luce Smoes A model for oscillatory kinetic systems 559--572 Zbigniew Srebro Relative electron excess and relative electron deficiency: An explanation for differences in the response of the organism to various factors . . . . . . 573--578 Fred C. Westall ``Self'' versus ``non-self'': In situ proteins . . . . . . . . . . . . . . . . 579--580 Randall C. Cassada The size relation between finished proteins of mixed sizes and their ribosome-bound nascent polypeptides . . 581--584 Narendra S. Goel Comments on ``Geometry and the exchange principle in cell aggregation kinetics'' 585--586 Ru-Shuoh Lou and Robert Rosen Comments on the validity of the simultaneous use of the ``conservation of edge'' equations in the model proposed by Goel et al. (1970) . . . . . 587--589 Anonymous Pages 295--589 (August 1974) . . . . . . ??
B. I. Kurganov and Z. S. Kagan and A. I. Dorozhko and V. A. Yakovlev Kinetic manifestations of allosteric interactions in models of regulatory enzymes with ``indirect'' co-operativity 1--41 G. S. Grest and A. K. Rajagopal Impurity and end effects on finite polymer chains --- Ising model approach 43--56 I. W. Richardson and Vojtech Licko and Ettore Bartoli Mechanisms of salt and water transport in proximal tubule as measured by split drop . . . . . . . . . . . . . . . . . . 57--64 J. R. Beddington Age distribution and the stability of simple discrete time population models 65--74 R. L. Kashyap and S. Subas Statistical estimation of parameters in a phylogenetic tree using a dynamic model of the substitutional process . . 75--101 Ralph Nossal and George H. Weiss A descriptive theory of cell migration on surfaces . . . . . . . . . . . . . . 103--113 J. D. Murray On the role of myoglobin in muscle respiration . . . . . . . . . . . . . . 115--126 Michael C. Alfano The origin of gingival fluid . . . . . . 127--136 Olen R. Brown Yeast fatty acid synthetase: a proposed binding site for coenzyme A with consequences for chain initiation and chain termination . . . . . . . . . . . 137--144 C. S. Russell Biosynthesis of porphyrins. II . . . . . 145--151 Julius H. Anderson Control of enzymatic velocity under near-equilibrium conditions . . . . . . 153--161 Julius H. Anderson Optimizing the sensitivity of enzyme systems to perturbations from equilibrium . . . . . . . . . . . . . . 163--176 C. Capo and P. Bongrand and A. M. Benoliel and R. Depieds Phagocytosis . . . . . . . . . . . . . . 177--188 E. Frehland and P. Läuger Ion transport through pores: Transient phenomena . . . . . . . . . . . . . . . 189--207 J. Maynard Smith The theory of games and the evolution of animal conflicts . . . . . . . . . . . . 209--221 G. A. Parker Assessment strategy and the evolution of fighting behaviour . . . . . . . . . . . 223--243 G. F. Estabrook and H. H. Robinson A comment on vine's predator--prey visual detection model . . . . . . . . . 245--247 I. Vine Reply to G. F. Estabrook and H. H. Robinson . . . . . . . . . . . . . . . . 249--250 Anonymous Announcement . . . . . . . . . . . . . . 251--251 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--251 (September 1974) . . . . . ??
Yoshihiko Tsukamoto The valve action of intensity receptor 253--268 Marcello Barbieri The primitive ribosome model . . . . . . 269--280 C. T. Dragomir and E. Pausescu Theoretical considerations regarding the cell membrane function during cold-induced preservation of tissues and organs: New possibilities for optimizing the process . . . . . . . . . . . . . . 281--293 William Frith Harris The bacterial flagellum as an imperfect cylindrical crystal: Flagellar geometry, movement and polymorphism, and the role of partial dislocations . . . . . . . . 295--296, IN1, 297--308 J. R. Smythies and F. Benington and R. J. Bradley and R. D. Morin and W. O. Romine On the mechanism of interaction between histone I and DNA and histone III and DNA . . . . . . . . . . . . . . . . . . 309--315 Joseph K. E. Ortega and R. Igor Gamow The problem of handedness reversal during the spiral growth of Phycomyces 317--324, IN3--IN5, 325--332 Howard C. Howland Optimal strategies for predator avoidance: The relative importance of speed and manoeuvrability . . . . . . . 333--350 M. S. Seshadri A reaction-diffusion coupled system with multiple steady states . . . . . . . . . 351--365 Rolf Sattler A new conception of the shoot of higher plants . . . . . . . . . . . . . . . . . 367--382 J. R. Smythies and F. Benington and R. J. Bradley and R. D. Morin and W. O. Romine On the mechanism of interaction between histone II B 1 and DNA and histone II B 2 and DNA . . . . . . . . . . . . . . . 383--395 Alex Fraser and Jawahar Tiwari Genetical feedback-repression: II. Cyclic genetic systems . . . . . . . . . 397--412 N. A. Òritsland A windchill and solar radiation index for homeotherms . . . . . . . . . . . . 413--420 Nobuhiko Saitô and Masaaki Oosima Localized oscillations in neural networks I. General considerations with nonlinear differential equations . . . . 421--437 Joseph Frankel Positional information in unicellular organisms . . . . . . . . . . . . . . . 439--481 E. Mayhew Complementarity between cell surfaces 483--484 E. C. Pielou Vegetation zones: Repetition of zones on a monotonic environmental gradient . . . 485--489 Anonymous Pages 253--489 (October 1974) . . . . . ??
Miloslav Jokl Some natural laws about harmful agents in the human environment . . . . . . . . 1--9 L. F. Jaffe The interpretation of voltage-concentration relations . . . . 11--18 Peter Proctor and John McGinness and Peter Corry A hypothesis on the preferential destruction of melanized tissues . . . . 19--22 Gabor Kemeny and Indur M. Goklany Quantum mechanical model for conformons 23--38 P. W. Kuchel and L. W. Nichol and P. D. Jeffrey Steady state kinetics of consecutive enzyme catalysed reactions involving single substrates: Procedures for the interpretation of coupled assays . . . . 39--49 Masami Okuda and Akihiko Yoshida and Koichi Takahashi A dynamical behaviour of active regions in randomly connected neural networks 51--73 Hugh N. Comins and David W. E. Blatt Prey-predator models in spatially heterogeneous environments . . . . . . . 75--83 M. A. Korostyshevsky and M. R. Schtabnoy and V. A. Ratner On some principles of evolution viewed as a stochastic process . . . . . . . . 85--103 Michael A. B. Deakin and Rodney B. Teague A generalized model of inversion polymorphism . . . . . . . . . . . . . . 105--123 David J. M. Park An algorithm for detecting non-steady state moieties in steady state subnetworks . . . . . . . . . . . . . . 125--131 Ludvik Bass Current-voltage relations in nerve membranes . . . . . . . . . . . . . . . 133--140 S. Ainsworth A slide rule for deriving the rate equations of enzyme catalysed reactions with mechanisms involving up to six enzyme-containing intermediates . . . . 141--147 Tron Frede Thingstad and Tor I. Langeland Dynamics of chemostat culture: The effect of a delay in cell response . . . 149--159 Haywood Blum Stochastic processes in messenger RNA turnover . . . . . . . . . . . . . . . . 161--171 P. Chuknyiski Some equilibrium and nonequilibrium properties of the allosteric interactions in enzymes: II. Allosteric effect in the absence of a rapid equilibrium between substrate and enzyme 173--181 G. W. F. H. Borst-Pauwels Multi-site two-carrier transport comparison with enzyme kinetics . . . . 183--195 Hans-Dieter Höltje and Lemont B. Kier Structure-activity studies of enzyme substrates using model interaction calculations . . . . . . . . . . . . . . 197--205 Sheldon S. Sandler Direct three-dimensional reconstruction of a corneal stromal lamella from electron micrographs . . . . . . . . . . 207--212, IN1--IN3, 213 D. Weihs Energetic advantages of burst swimming of fish . . . . . . . . . . . . . . . . 215--229 Gabor Kemeny Collective aspects of conformons and the electron transfer chain . . . . . . . . 231--241 D. C. Reanney On the origin of prokaryotes . . . . . . 243--251 D. Chan and L. R. White The electrostatic interaction between surfaces bearing amphoteric ionizable groups across a 1:1 electrolyte . . . . 253--256 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--256 (November 1974) . . . . . . ??
Ted Mar and Guy Roy A kinetic model of the primary back reaction in photosynthesis of green plants . . . . . . . . . . . . . . . . . 257--281 H. B. Dunford and J. E. Critchlow and R. J. Maguire and R. Roman The advantages of transition state and group acid dissociation constants for pH-dependent enzyme kinetics . . . . . . 283--298 S. L. Trubatch and A. Franco Canonical procedures for population dynamics . . . . . . . . . . . . . . . . 299--324 Charles J. Lumsden and Melvin Silverman and L. E. H. Trainor Quantum mechanical effects in molecule-membrane interactions . . . . . 325--343 D. R. Miller Sensitivity analysis and validation of simulation models . . . . . . . . . . . 345--360 Raymond S. Horvath Evolution of anaerobic energy-yielding metabolic pathways of the procaryotes 361--371 R. A. Arndt and L. D. Roper A new phenomenology for squid axon voltage-clamp currents . . . . . . . . . 373--387 E. A. Marshall and E. A. Trowbridge A mathematical model of the ultra-filtration process in a single glomerular capillary . . . . . . . . . . 389--412 L. Nastansky and S. M. Selkow and N. F. Stewart An improved solution to the generalized camin-sokal model for numerical cladistics . . . . . . . . . . . . . . . 413--424 Claude Giessner-Prettre and Bernard Pullman Quantum mechanical calculations of P--C and P--H spin-spin coupling constants in model compounds and in nucleotides . . . 425--443 I. Brent Heath A unified hypothesis for the role of membrane bound enzyme complexes and microtubules in plant cell wall synthesis . . . . . . . . . . . . . . . 445--449 Marcello Barbieri A criterion to evaluate three dimensional reconstructions from projections of unknown structures . . . 451--467 Fred C. Westall A mechanism for viral activation of multiple sclerosis . . . . . . . . . . . 469--471 P. van den Driessche Stability of linear population models 473--476 A. H. Bretag and C. A. Hurst and D. I. B. Kerr The Starzak membrane conductance model: A comment . . . . . . . . . . . . . . . 477--479 T. J. Lardner and W. J. Shack and P. Y. Tam A note on the mechanics of ovulation . . 481--483 Marjorie P. Maguire The need for a chiasma binder . . . . . 485--487 Miroslav Kamínek Evolution of tRNA and origin of the two positional isomers of zeatin . . . . . . 489--492 Peter L. Antonelli Reply to comments by N. Goel on the aggregation kinetics of Antonelli, Rogers and Willard . . . . . . . . . . . 493--495 Vernon Pratt Numerical taxonomy: On the incoherence of its rationale . . . . . . . . . . . . 497--499 Anonymous Erratum . . . . . . . . . . . . . . . . 501--501 Anonymous Pages 257--501 (1974) . . . . . . . . . ??
Jeremiah I. Nelson Globality and stereoscopic fusion in binocular vision . . . . . . . . . . . . 1--88 H. Shimizu and T. Yamada The synergetic enzyme theory of muscular contraction: A two-headed myosin model 89--109 Hirotami T. Imai Evidence for non-random localization of the centromere on mammalian chromosomes 111--123 Donald E. Adam and James Wei Mass transport of ATP within the motile sperm . . . . . . . . . . . . . . . . . 125--145 B. Soucek and F. Vencl Bird communication study using digital computer . . . . . . . . . . . . . . . . 147--172 I. Balslev and H. Degn Spatial instability in simple reaction schemes . . . . . . . . . . . . . . . . 173--177 J. P. Brannen A population model for dermestid beetle survival under starvation and cannibalism . . . . . . . . . . . . . . 179--189 M. Rödenbeck and A. Ziegler and H. Marek and Th. Friedrich Computer analysis of a tracer-kinetic model of the collagenic metabolism of the rat's aorta . . . . . . . . . . . . 191--200 I. G. Darvey One-substrate-one-product enzymic reactions: The relationship between isotope-exchange kinetic, steady-state kinetic and equilibrium parameters . . . 201--211 John H. McClendon Efficiency . . . . . . . . . . . . . . . 213--218 Robert Blumenthal Instabilities, oscillations and chemical waves in an oligomeric model for membrane transport . . . . . . . . . . . 219--239 Jesús Alberto León Limit cycles in populations with separate generations . . . . . . . . . . 241--244 Igor E. Mikhaltsev On the perception of information in CNS memory mechanism . . . . . . . . . . . . 245--247 Mutsumi Maruyama and Fumio Oosawa Orientation distribution of globular protein molecules in a two-dimensional lattice: II. Thermal effect . . . . . . 249--254, IN1, 255--262 Richard W. Olsen Filamentous protein model for cyclic AMP-mediated cell regulatory mechanisms 263--287 M. J. Orlove A model of kin selection not invoking coefficients of relationship . . . . . . 289--310 Gerald Rosen Analytical solution to the initial-value problem for traveling bands of chemotactic bacteria . . . . . . . . . . 311--321 Joel Keizer Thermodynamic coupling in chemical reactions . . . . . . . . . . . . . . . 323--335 Jean-Pierre Jost and Melvin Averner Gene regulation in mammalian cells: A model for the interaction of steroids and 3',5'-cyclic AMP . . . . . . . . . . 337--344 Bruce A. Wunder A model for estimating metabolic rate of active or resting mammals . . . . . . . 345--354 A. M. Uttley The informon in classical conditioning 355--376 Peter Lindner and Olle Mårtensson On the electronic structure and odours of esters of the isothiocyanic acid . . 377--383 P. Antonelli and D. I. McLaren and T. D. Rogers and M. Lathrop and M. A. Willard Transitivity, pattern-reversal, engulfment and duality in exchange-type cell aggregation kinetics . . . . . . . 385--400 Lemont B. Kier and Hans-Dieter Höltje A stochastic model of the remote recognition of preferred conformation in a drug-receptor interaction . . . . . . 401--416 N. G. Maroudas Adhesion and spreading of cells on charged surfaces . . . . . . . . . . . . 417--424 Richard W. Lymn The steady-state actomyosin ATPase: A further note . . . . . . . . . . . . . . 425--429 David J. M. Park Local stability in metabolic networks with conserved moieties and steady state subnetworks . . . . . . . . . . . . . . 431--437 Lester I. Harrison and Halvor N. Christensen Simulation of differential effects on rates in membrane transport . . . . . . 439--459 D. C. Reanney A regulatory role for viral RNA in eukaryotes . . . . . . . . . . . . . . . 461--492 Brian F. Gray and Igor Gonda A molecular explanation of the role of actin in acceleration of the myosin-catalysed ATP hydrolysis in vertebrate striated muscles . . . . . . 493--497 Anonymous Pages 1--497 (1975) . . . . . . . . . . ??
James F. Danielli Editorial . . . . . . . . . . . . . . . i--i Mutsumi Maruyama and Fumio Oosawa Orientation distribution of globular protein molecules in a two-dimensional lattice: II. Thermal effect . . . . . . 249--254, IN1, 255--262 Richard W. Olsen Filamentous protein model for cyclic AMP-mediated cell regulatory mechanisms 263--287 M. J. Orlove A model of kin selection not invoking coefficients of relationship . . . . . . 289--310 Gerald Rosen Analytical solution to the initial-value problem for traveling bands of chemotactic bacteria . . . . . . . . . . 311--321 Joel Keizer Thermodynamic coupling in chemical reactions . . . . . . . . . . . . . . . 323--335 Jean-Pierre Jost and Melvin Averner Gene regulation in mammalian cells: A model for the interaction of steroids and 3',5'-cyclic AMP . . . . . . . . . . 337--344 Bruce A. Wunder A model for estimating metabolic rate of active or resting mammals . . . . . . . 345--354 A. M. Uttley The informon in classical conditioning 355--376 Peter Lindner and Olle Mårtensson On the electronic structure and odours of esters of the isothiocyanic acid . . 377--383 P. Antonelli and D. I. McLaren and T. D. Rogers and M. Lathrop and M. A. Willard Transitivity, pattern-reversal, engulfment and duality in exchange-type cell aggregation kinetics . . . . . . . 385--400 Lemont B. Kier and Hans-Dieter Höltje A stochastic model of the remote recognition of preferred conformation in a drug-receptor interaction . . . . . . 401--416 N. G. Maroudas Adhesion and spreading of cells on charged surfaces . . . . . . . . . . . . 417--424 Richard W. Lymn The steady-state actomyosin ATPase: A further note . . . . . . . . . . . . . . 425--429 David J. M. Park Local stability in metabolic networks with conserved moieties and steady state subnetworks . . . . . . . . . . . . . . 431--437 Lester I. Harrison and Halvor N. Christensen Simulation of differential effects on rates in membrane transport . . . . . . 439--459 D. C. Reanney A regulatory role for viral RNA in eukaryotes . . . . . . . . . . . . . . . 461--492 Brian F. Gray and Igor Gonda A molecular explanation of the role of actin in acceleration of the myosin-catalysed ATP hydrolysis in vertebrate striated muscles . . . . . . 493--497 Anonymous Pages 249--497 (February 1975) . . . . . ??
Ross E. McMurtrie Determinants of stability of large randomly connected systems . . . . . . . 1--11 D. S. Chernavskii and N. M. Chernavskaya Some theoretical aspects of the problem of life origin . . . . . . . . . . . . . 13--23 P. A. Temussi Automatic comparison of the sequences of calf thymus histones . . . . . . . . . . 25--33 D. L. De Angelis Global asymptotic stability criteria for models of density-dependent population growth . . . . . . . . . . . . . . . . . 35--43 Robert E. Childs and William G. Bardsley Allosteric and related phenomena: An analysis of sigmoid and non-hyperbolic functions . . . . . . . . . . . . . . . 45--58 Garrett M. Odell and H. L. Frisch A continumn theory of the mechanics of amoeboid pseudopodium extension . . . . 59--86 Joel E. Cohen and Harry K. MacWilliams The control of foot formation in transplantation experiments with hydra viridis . . . . . . . . . . . . . . . . 87--105 G. G. Hall and W. R. Rodwell A theoretical study of tricycloquinazoline carcinogenesis . . . 107--120 Harry W. Power A model of how the sickle-cell gene produces malaria resistance . . . . . . 121--127 Stanley Ainsworth The mechanistic interpretation of initial velocity and product inhibition data arising from enzyme catalysed reactions whose catalytic cycle is unbranched . . . . . . . . . . . . . . . 129--151 J. D. West A theoretical approach to the relation between patch size and clone size in chimaeric tissue . . . . . . . . . . . . 153--160 John A. Black and Peter Stenzel and Richard N. Harkins The terminal amino acids of protein sequences and protein maturation . . . . 161--166 Daniel D. Jones Amino acid properties and side-chain orientation in proteins: A cross correlation approach . . . . . . . . . . 167--183 Jesús Alberto León and Daniel B. Tumpson Competition between two species for two complementary or substitutable resources 185--201 H. N. Mikelsaar A concept of amino acid archaeorelation: Origin of life and the genetic code . . 203--212 P. A. Fantes and W. D. Grant and R. H. Pritchard and P. E. Sudbery and A. E. Wheals The regulation of cell size and the control of mitosis . . . . . . . . . . . 213--244 Aase Hvidt A discussion of pressure-volume effects in aqueous protein solutions . . . . . . 245--252 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--252 (March 1975) . . . . . . . ??
C. Zervos On the validity of using semilogarithmic plots to determine initial velocities of enzyme-catalyzed reactions . . . . . . . 253--258 A. S. C. Sinha Analysis of a mathematical model for transport of 131 I-albumin . . . . . . . 259--267 Yuriko Tawada and Katsuhisa Tawada Co-operative regulation mechanism of muscle contraction: Inter-tropomyosin co-operation model . . . . . . . . . . . 269--283 David B. Chang and Robert L. Cooper and Allan C. Young and Carroll J. Martin and Betsy Ancker-Johnson Restricted diffusion in biophysical systems: Theory . . . . . . . . . . . . 285--308 J. E. Bailey and C. K. Lee Active membrane transport driven by dynamic asymmetry . . . . . . . . . . . 309--316 A. P. Nelson and P. Colonomos and D. A. McQuarrie Electrostatic coupling across a membrane with titratable surface groups . . . . . 317--325 Hugh R. Wilson A synaptic model for spatial frequency adaptation . . . . . . . . . . . . . . . 327--352 Kenneth H. Norwich Determination of pulsatile flow rates by indicator-dilution methods . . . . . . . 353--361 Prithwis Das Gupta Some further results from a stochastic fertility model for women . . . . . . . 363--385 Arnold Trehub First-occupancy model for signal transfer in the brain . . . . . . . . . 387--395 Thomas C. Curran and Harvey J. Gold A stochastic model for facilitated transport of oxygen through tissue slices . . . . . . . . . . . . . . . . . 397--411 Eileen Sutton Gersh Sites of gene activity and of inactive genes in polytene chromosomes of diptera 413--428 Dennis Nyberg Evolution of sex I. Primitive sex . . . 429--436 M. Kim and K. Bahrami and K. B. Woo Mathematical description and analysis of cell cycle kinetics and the application to Ehrlich ascites tumor . . . . . . . . 437--459 Philip H. Crowley Natural selection and the Michaelis constant . . . . . . . . . . . . . . . . 461--475 Peter S. Lovely and F. W. Dahlquist Statistical measures of bacterial motility and chemotaxis . . . . . . . . 477--496 N. Lakshminarayanaiah Comment on ``evidence for a new concept of membrane potential'' by Ohki . . . . 497--500 Leon J. Aarons and Brian F. Gray On the effect of a small parameter and the possibility of limit cycle behaviour in a negatively inductive control system 501--505 Anonymous An algorithm for detecting non-steady state moieties in steady state subnetworks: David J. M. Park, J. theor. Biol. (1974) \bf 48 125--131 . . . . . . 507--507 Anonymous Announcemen . . . . . . . . . . . . . . 509--509 Anonymous Pages 253--509 (April 1975) . . . . . . ??
Paul Latimer The influence of photometer design on optical-conformational changes . . . . . 1--12 S. P. Gupta and G. Govil and R. K. Mishra Molecular orbital studies on the conformation of phospholipids. II. Preferred conformations of hydrocarbon chains and molecular organization in biomembranes . . . . . . . . . . . . . . 13--34 Sorin Comorosan The measurement process in biological systems: A new phenomenology . . . . . . 35--49 C. W. McCutchen Do mineral crystals stiffen bone by straitjacketing its collagen? . . . . . 51--58 Stephen C. Smeach and Harvey J. Gold Stochastic and deterministic models for the kinetic behavior of certain structured enzyme systems I: One enzyme-one substrate systems . . . . . . 59--78 Stephen C. Smeach and Harvey J. Gold Stochastic and deterministic models for the kinetic behavior of certain structured enzyme systems II: Consecutive two enzyme systems . . . . . 79--96 Erik Forslind and Roland Kjellander A structure model for the lecithin-cholesterol-water membrane . . 97--102, IN1--IN6, 103--109 J. R. Smythies and F. Benington and R. J. Bradley and W. F. Bridgers and \ldots W. O. Romine The molecular structure of the receptor-ionophore complex at the neuromuscular junction . . . . . . . . . 111--126 Martin Blank A model for calculating the Bohr Effect in hemoglobin equilibria . . . . . . . . 127--134 John M. Gibson and Henry R. Hirsch Psychoneural models of the auditory masking process . . . . . . . . . . . . 135--147 Brian Poole Diffusion effects in the metabolism of hydrogen peroxide by rat liver peroxisomes . . . . . . . . . . . . . . 149--167 David J. Rapport and James E. Turner Predator--prey interactions in natural communities . . . . . . . . . . . . . . 169--180 H. Kitasato and K. Murayama An analysis of the change in K-permeability on depolarization in terms of affinity and numbers of total channels . . . . . . . . . . . . . . . . 181--200 Helmut Metzner Water decomposition in photosynthesis? A critical reconsideration . . . . . . . . 201--231 Athel Cornish-Bowden The physiological significance of negative co-operativity . . . . . . . . 233--235 W. G. Richards and Jane Hammond and D. G. Aschman Barriers to internal rotation in histamine and $4$-methyl histamine . . . 237--239 Anonymous Errata . . . . . . . . . . . . . . . . . 241--242 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--242 (May 1975) . . . . . . . . ??
Bernard D. Coleman and George H. Renninger Consequences of delayed lateral inhibition in the retina of \bionameLimulus I. Elementary theory of spatially uniform fields . . . . . . . . 243--265 Bernard D. Coleman and George H. Renninger Consequences of delayed lateral inhibition in the retina of \bionameLimulus II. Theory of spatially uniform fields, assuming the four-point property . . . . . . . . . . . . . . . . 267--291 A. Ebringer Information theory and limitations in antibody diversity . . . . . . . . . . . 293--302 Alexander Lang A new role for the sieve plate . . . . . 303--306 Mahadevappa Kumbar Dynamic model for sedimentation of supercoiled molecules . . . . . . . . . 307--312 Charles Delisi and Buron Goldstein The kinetics of hemolytic plaque formation II. Inhibition of plaques by Hapten . . . . . . . . . . . . . . . . . 313--335 Charles Delisi The kinetics of hemolytic plaque formation III. Inhibition of plaques by antigen . . . . . . . . . . . . . . . . 337--345 H. Barclay and P. Van Den Driessche Time lags in ecological systems . . . . 347--356 John W. Prothero and Ruth W. Tyler A model of thymocyte proliferation . . . 357--382 G. Cavallo and G. Form and L. Varesio RNA in amplification of the immunological response . . . . . . . . . 383--392 B. Somogyi and S. Damjanovich Relationship between the lifetime of an enzyme-substrate complex and the properties of the molecular environment 393--401 Michael R. Tansey and Michele A. Jack Moonlight, mushrooms and moulds . . . . 403--407 A. Kerr A genetic model for pathogenicity in Agrobacterium and for tumour induction in plants . . . . . . . . . . . . . . . 409--417 Yi-Der Chen Phenomenological coefficients and general proof of reciprocal relation for a certain class of sliding filament models of muscle contraction . . . . . . 419--428 Eli Ruckenstein and Dennis C. Prieve Dynamics of cell deposition on surfaces 429--438 L. Welss and S. Nir and J. P. Harlos and J. R. Subjeck Long-distance interactions between Ehrlich ascites tumour cells . . . . . . 439--454 R. L. MacDonald and D. Hsu and J. E. Mann and N. Sperelakis An analysis of the problem of K$^+$ accumulation in the intercalated disk clefts of cardiac muscle . . . . . . . . 455--473 George M. Strain and William H. Brockman A modified cable model for neuron processes with non-constant diameters 475--494 Gordon M. Crippen Topology of globular proteins. II . . . 495--500 Hyman Hartman The centriole and the cell . . . . . . . 501--509 Robert M. May Biological populations obeying difference equations: Stable points, stable cycles, and chaos . . . . . . . . 511--524 Anonymous Pages 243--524 (June 1975) . . . . . . . ??
Jay E. Mittenthal A sliding filament model for skeletal muscle: dependence of isometric dynamics on temperature and sarcomere length . . 1--16 Helmut Tributsch Parametric energy conversion --- a possible, universal approach to bioenergetics in biological structures 17--56 Dieter Klämbt A model for messenger RNA sequences maximizing secondary structure due to code degeneracy . . . . . . . . . . . . 57--65 John Blake Hydrodynamic calculations on the movements of cilia and flagella. II. Opalina . . . . . . . . . . . . . . . . 67--82 Kryysztof Dolowy Uniform hypothesis of cell behaviour-movement, contact inhibition of movement, adhesion, chemotaaris, phagocytosis, pinocytosis, division, contact inhibition of division, fusion 83--97 Philippa M. Wiggins Cellular functions of a cell in a metastable equilibrium state . . . . . . 99--111 Fausmo Siñeriz and Ricardo N. Farias and Raul E. Trucco The convenience of the use of allosteric ``probes'' for the study of lipid-protein interactions in biological membranes: Thermodynamic considerations 113--120 P. T. Saijnders and M. J. Bazin On the stability of food chains . . . . 121--142 G. Coleman and S. Brown and D. A. Stormonm A model for the regulation of bacterial extracellular enzyme and toxin biosynthesis . . . . . . . . . . . . . . 143--148 William K. Willard and Donald S. Cherry Comparative radiosensitivity in the class insecta . . . . . . . . . . . . . 149--158 Richard S. Norman Diffusional spread of iontophoretically injected ions . . . . . . . . . . . . . 159--162 J.-E. Edström Eukaryotic evolution based on information in chromosomes on allele frequencies . . . . . . . . . . . . . . 163--174 Fumio Oosawa The effect of field fluctuation on a macromolecular system . . . . . . . . . 175--186 D. R. Forsdyke Further implications of a theory of immunity . . . . . . . . . . . . . . . . 187--198 O. K. Wilby and D. A. Ede A model generating the pattern of cartilage skeletal elements in the embryonic chick limb . . . . . . . . . . 199--217 J. T. Manning The optimization of immune system ``decisions'' . . . . . . . . . . . . . 219--222 W. G. Richards and D. G. Aschman and Jane Hammond Conformational flexibility in physiologically active amines . . . . . 223--230 R. I. Kitney An analysis of the nonlinear behaviour of the human thermal vasomotor control system . . . . . . . . . . . . . . . . . 231--248 Ralph Gainey and Marvin Malone and Manfred Rimpler Chitin as a causative mechanism for inflammatory disease . . . . . . . . . . 249--250 J. V. Denholm Necessary condition for maximum yield in a senescing two-phase plant . . . . . . 251--254 G. Cilento In defence of a special role for the iodo substituents in thyroid hormones 255--257 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--257 (July 1975) . . . . . . . . ??
Alexander A. Goloff and F. A. Bazzaz A germination model for natural seed populations . . . . . . . . . . . . . . 259--283 A. N. Stokfs Facilitated diffusion: The elasticity of oxygen supply . . . . . . . . . . . . . 285--297 Ole Caprani and Edda Sveinsdottir and Niels Lassen SHAM, a method for biexpone ial carve resolution using initial slope, height, area and moment of the experimental decay type curve . . . . . . . . . . . . 299--315 Byron Goldstein and Charles Delisi and Joseph Abate Immunodiffusion in gels containing erythrocyte antigen I. Theory for diffusion of antiserum from a circular well . . . . . . . . . . . . . . . . . . 317--334 R. Wilbur and E. Robert Fernholz and Catherine T. Wilson Kinetic models of the drug-receptor interaction . . . . . . . . . . . . . . 335--341 Kenzi Ishida and Shigeru Matsumoto Non-equilibrium thermodynamics of temporally oscillating chemical reactions . . . . . . . . . . . . . . . 343--363 Hans Bremer and Patrick P. Dennis Transition period following a nutritional shift-up in the bacterium \bionameEscherichia coli B/r: Stable RNA and protein synthesis . . . . . . . . . 365--382 A. Damiani and A. Lapiccirella and A. L. Kovacs Theoretical conformational analysis of $2$-phosphopropionic acid, $2$-phospho,3-olo-propionic acid and $d$-2,3-diphosphoglycerate . . . . . . . 383--397 Branko Soucek Model of alternating and aggressive communication with the example of katydid chirping . . . . . . . . . . . . 399--417 Charles Delisi The kinetics of hemolytic plaque formation IV. IgM plaque inhibition . . 419--440 W. S. C. Gurney and R. M. Nisbet The regulation of inhomogeneous populations . . . . . . . . . . . . . . 441--457 J. D. Murray Non-existence of wave solutions for the class of reaction-diffusion equations given by the Volterra interacting-population equations with diffusion . . . . . . . . . . . . . . . 459--469 L. A. Martynov A morphogenetic mechanism involving instability of initial forth . . . . . . 471--480 Gerd Klein Monitoring intracellular transport . . . 481--491 E. G. Steward and G. R. Clarke Conformational adaptability at GABA-sensitive inhibitory synapses . . . 493--498 Anonymous Announcement . . . . . . . . . . . . . . 499--499 Anonymous The 9th Jerusalem symposium an international symposium on metal-ligand interactions in organic and biochemistry 500--500 Anonymous Pages 259--500 (August 1975) . . . . . . ??
J. I. Davies and P. A. Williams Quantitative aspects of the regulation of cellular cyclic AMP levels: I. Structure and kinetics of a model system 1--30 J. I. Davies and P. A. Williams Quantitative aspects of regulation of cellular cyclic AMP levels: II. Kinetics of drug action in a model cyclic AMP generating system . . . . . . . . . . . 31--50 G. T. Hageseth and R. D. Joyner Kinetics and thermodynamics of isothermal seed germination . . . . . . 51--65 Jirí Novotný Immunoglobulin phenotype as a solution of the antibody dilemma . . . . . . . . 67--82 S. Nir Long range intermolecular forces between macroscopic bodies: Macroscopic and microscopic approaches . . . . . . . . . 83--100 Donna L. Breen Coenzyme Q: A molecular orbital study 101--113 Hans Bremer Parameters affecting the rate of synthesis of ribosomes and RNA polymerase in bacteria . . . . . . . . . 115--124 John Cuppoletti and Irwin H. Segel Kinetic analysis of active membrane transport systems: Equations for net velocity and isotope exchange . . . . . 125--144 D. Winne The influence of villous counter current exchange on intestinal absorption . . . 145--176 Whitman Richards Mosaic model for color vision . . . . . 177--197 Max Kleiber Metabolic turnover rate: A physiological meaning of the metabolic rate per unit body weight . . . . . . . . . . . . . . 199--204 Amotz Zahavi Mate selection --- a selection for a handicap . . . . . . . . . . . . . . . . 205--214 I. Richard Lapidus and Ralph Schiller Bacterial chemotaxis in a fixed attractant gradient . . . . . . . . . . 215--222 Motoyosi Sugita Functional analysis of chemical systems in vivo using a logical circuit equivalent: V. Molecular biological interpretation of the self-reproducing automata theory and chemico-physical interpretation of information in biological systems . . . . . . . . . . . 223--237 M. Lakshmanan and P. K. Ponnuswamy Nonlinear effects on the synaptic basis of memory . . . . . . . . . . . . . . . 239--242 Alan Ebringer A comment on code degeneracy, ``information theory and the central dogma'' . . . . . . . . . . . . . . . . 243--245 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--245 (September 1975) . . . . . ??
G. J. Douglas Sliding filaments in sperm flagella . . 247--252 M. S. Kanungo A model for ageing . . . . . . . . . . . 253--261 Charles E. King and Edward E. Gallaher and Donald A. Levin Equilibrium diversity in plant-pollinator systems . . . . . . . . 263--275 A. J. Bauman and Henry Yokoyama Magnolia seed carotenoid pigments: Typical evolutionarily-static relicts? 277--284 William A. Thompson and Ilan Vertinsky Application of Markov chains to analysis of a simulation of birds' foraging . . . 285--307 Hideki Gotoh A model of the activation process of Na + conductance in the squid axon: An approach with interactive desorption kinetics of divalent cations . . . . . . 309--325 H. R. Wilson and P. Tollin and A. Rahman RNA conformation in rod-shaped viruses: A possible molecular model for RNA in narcissus mosaic virus . . . . . . . . . 327--332 Mahadevappa Kumbar Stable conformations of histamine by empirical method . . . . . . . . . . . . 333--340 Stephen Grossberg and Daniel Levine Some developmental and attentional biases in the contrast enhancement and short term memory of recurrent neural networks . . . . . . . . . . . . . . . . 341--380 Robert E. Childs and William G. Bardsley Time-dependent inhibition of enzymes by active-site-directed reagents a theoretical treatment of the kinetics of affinity labelling . . . . . . . . . . . 381--394 David Zipser and Terrell Taylor Gibbs Mispair correction in nucleic acids with alternate forms . . . . . . . . . . . . 395--402 A. W. Burgess and H. A. Scheraga A hypothesis for the pathway of the thermally-induced unfolding of bovine pancreatic ribonuclease . . . . . . . . 403--420 T. E. Wheldon Mitotic autoregulation of normal and abnormal cells: Alternative mechanisms for the derangement of growth control 421--433 Irving Adler A model of space filling in phyllotaxis 435--444 Robert Ransom Computer analysis of division patterns in the \bionameDrosophila head disc . . 445--462 Jorge F. López-Sáez and Aurora González-Fernández and Consuelo de la Torre and José Luis D\'ìez and Ma Encarnacion Fernández-Gomez and Matilde H. Navarrete and Gregorio Garc\'ìa-Herdugo and Gonzalo Giménez-Mart\'ìn A model for cell cycle and growth kinetics in roots . . . . . . . . . . . 463--473 George G. Hall and Colin J. Miller and Gary W. Schnuelle Conformation energies and electronic structure of phenethylamine and amphetamine . . . . . . . . . . . . . . 475--480 T. B. L. Kirkwood and R. Holliday Commitment to senescence: A model for the finite and infinite growth of diploid and transformed human fibroblasts in culture . . . . . . . . . 481--496 Jack Maniloff Thermodynamic considerations of the deoxyribonucleic acid helix-cruciform transition . . . . . . . . . . . . . . . 497--501 Anonymous Pages 247--501 (1975) . . . . . . . . . ??
Gabor Herman and Michael A. Arbib Editors' foreword . . . . . . . . . . . 1--1 Aristid Lindenmayer Developmental algorithms for multicellular organisms: A survey of L-systems . . . . . . . . . . . . . . . 3--22 Hermann B. Lück Elementary behavioural rules as a foundation for morphogenesis . . . . . . 23--34 Gabor T. Herman and Gordon L. Schiff Simulation of multi-gradient models of organisms in the context of L-systems 35--46 J. J. Bezem and Chr. P. Raven Computer simulation of early embryonic development . . . . . . . . . . . . . . 47--61 Richard Laing Some alternative reproductive strategies in artificial molecular machines . . . . 63--84 Leon Glass Classification of biological networks by their qualitative dynamics . . . . . . . 85--107 Robert Rosen On the dynamical realization of automata 109--120 W. T. Bisignani and S. C. Greenhouse Automated analysis of autoradiographic imagery . . . . . . . . . . . . . . . . 121--128 Anonymous Pages 1--128 (1975) . . . . . . . . . . ??
John R. K. Savage and D. G. Papworth Some problems of sampling for chromosomal aberrations from synchronous populations . . . . . . . . . . . . . . 129--152 P. Arroyo and R. Benguria and E. Collados and J. C. Tohá Low self-complementarity of cytochrome c Messenger RNA, a structural and functional restriction for evolution at the molecular level . . . . . . . . . . 153--166 H. Chojnacki and W. A. Sokalski Interactions of $6$-thioguanine in B-DNA: Possible mechanism of its mutagenic action . . . . . . . . . . . . 167--174 T. F. C. S. Warner and R. G. Krueger The multicellular (as opposed to the monoclonal) origin of the murine myeloma cell . . . . . . . . . . . . . . . . . . 175--179 W. Gamble Mechanism of action of hypolipidemic and herbicidal aryloxy acids . . . . . . . . 181--190 B. K. Vig Chromatin-nuclear membrane attachment in relation to DNA replication and chromosome aberrations: A new hypothesis 191--199 David Allison and Thomas McKearn A mechanism for the generation of self-tolerance . . . . . . . . . . . . . 201--206 Manuel Rotenberg Equilibrium and stability in populations whose interactions are age-specific . . 207--224 H. G. L. Coster Heat production and absorption during excitation in nerve . . . . . . . . . . 225--227 F. R. L. Cantraine and B. Dewandre Thyroglobulin diffusion in the thyroid follicular lumen . . . . . . . . . . . . 229--242 Arieh Zaritsky On dimensional determination of rod-shaped bacteria . . . . . . . . . . 243--248 R. A. Arndt and L. D. Roper Theory of excitable membranes. I. A simple model for a three-state artificial membrane . . . . . . . . . . 249--283 U. Flesch The distribution of heat sources in the human head: A theoretical consideration 285--287 P. M. Dean Exocytosis modelling: An electrostatic function for calcium in stimulus-secretion coupling . . . . . . 289--308 P. M. Dean and E. K. Matthews The London--van der Waals attraction constant of secretory granules and its significance . . . . . . . . . . . . . . 309--321 Luis de Sobrino The Glansdorff--Prigogine thermodynamic stability criterion in the light of Lyapunov's theory . . . . . . . . . . . 323--333 G. Marbach and P. M. Vignais A molecular mechanism of energy transduction at a cytochrome level . . . 335--343 Zygmunt Hejnowicz A model for morphogenetic map and clock 345--362 David J. M. Park Flux induced biochemical differentiation 363--379 Gerald Rosen Molecule numbers associated with the chemotactic migration of neutrophils at various temperatures . . . . . . . . . . 381--382 D. A. Denisov On characteristic lengths of helical and non-helical segments in proteins . . . . 383--387 D. Warner and P. W. Borthwick The efficient computation of conformational energy surfaces using SCF molecular orbital methods . . . . . . . 389--390 Gerald Rosen On the nature of solutions to the Dreitlein-Smoes model for oscillatory kinetic systems . . . . . . . . . . . . 391--394 Donald E. Aylor and Jean-Yves Parlange and Abraham D. Krikorian Comment on some recent models of stomatal mechanics . . . . . . . . . . . 395--397 A. L. Mackay A metaphor for molecular evolution . . . 399--401 Anonymous Pages 129--401 (1975) . . . . . . . . . ??
Anonymous Editorial Board . . . . . . . . . . . . i--i Anonymous Index to volume 55 . . . . . . . . . . . vii--xi Hans Jörnvall Acetylation of protein N-terminal amino groups structural observations on $ \alpha $-amino acetylated proteins . . . 1--12 A. P. Nelson and D. A. McQuarrie The effect of discrete charges on the electrical properties of a membrane. I 13--27 I. Gabrovec and M. Kordas and B. Popovi\'c An attempt at a simulation of the end-plate current . . . . . . . . . . . 29--45 Stuart Kauffman and John J. Wille The mitotic oscillator in \bionamePhysarum polycephalum . . . . . 47--82, IN1--IN2, 83--93 Marek Z. Zgierski Mechanisms of conformon creation in $ \alpha $-helical structures . . . . . . 95--106 D. A. Denisov Pattern recognition methods for prediction of secondary structure of proteins: II. Elimination of ``Contradicting'' signs and prediction of turns of polypeptide chains in proteins . . . . . . . . . . . . . . . . 107--114 C. Cannings and Luis M. Cruz Orive On the adjustment of the sex ratio and the gregarious behaviour of animal populations . . . . . . . . . . . . . . 115--136 J. R. Green and P. E. B. Reilly Choosing an appropriate multi-exponential model . . . . . . . . 137--143 Alexander Ciures The visual inner transform of the outer optical medium and the visual resolution 145--151 A. V. Vologodskii and M. D. Frank-Kamenetskii Theoretical study of DNA unwinding under the action of formaldehyde . . . . . . . 153--166 W. Ya. Brodsky Protein synthesis rhythm . . . . . . . . 167--200 E. Harth and N. S. Lewis and T. J. Csermely The escape of Tritonia: Dynamics of a neuromuscular control mechanism . . . . 201--228 Yi-der Chen Fluctuations and noise in kinetic systems III. Cycling steady-state models 229--243 Narendra S. Goel and Martynas Ycas The error catastrophe hypothesis with reference to aging and the evolution of the protein synthesizing machinery . . . 245--282 Anonymous Pages 1--282 (November 1975) . . . . . . ??
D. Charlesworth and B. Charlesworth Theoretical genetics of Batesian mimicry I. Single-locus models . . . . . . . . . 283--303 D. Charlesworth and B. Charlesworth Theoretical genetics of Batesian mimicry II. Evolution of supergenes . . . . . . 305--324 D. Charlesworth and B. Charlesworth Theoretical genetics of Batesian mimicry III. Evolution of dominance . . . . . . 325--337 B. Soucek and A. D. Carlson Flash pattern recognition in fireflies 339--352 A. D. Carlson and B. Soucek Computer simulation of firefly flash sequences . . . . . . . . . . . . . . . 353--370 John R. Parks The animal growth phase plane . . . . . 371--380 John R. Parks A theory of animal weight response to controlled feeding . . . . . . . . . . . 381--391 J. T. Manning Gamete dimorphism and the cost of sexual reproduction: Are they separate phenomena? . . . . . . . . . . . . . . . 393--395 J. T. Manning Sexual reproduction and parent-offspring conflict in the RNA ``Tumour'' virus/host relationship: Implications for vertebrate oncogene evolution . . . 397--413 Mary B. Williams Darwinian selection for self-limiting populations . . . . . . . . . . . . . . 415--430 Malcolm S. Steinberg Adhesion-guided multicellular assembly: a commentary upon the postulates, real and imagined, of the differential adhesion hypothesis, with special attention to computer simulations of cell sorting . . . . . . . . . . . . . . 431--432, IN1--IN3, 433--443 T. Sachs Plant tumors resulting from unregulated hormone synthesis . . . . . . . . . . . 445--453 F. W. Cummings A biochemical model of the circadian clock . . . . . . . . . . . . . . . . . 455--470 Giuseppe Cilento Dioxetanes as intermediates in biological processes . . . . . . . . . . 471--479 Pedro E. León Function of lampbrush chromosomes: A hypothesis . . . . . . . . . . . . . . . 481--490 R. V. Polozov and V. I. Poltev and B. I. Sukhorukov The influence of nitrous bases interactions on the DNA secondary structure formation . . . . . . . . . . 491--503 Constantin Nedelcu Thermodynamic and kinetic study of blood filtration . . . . . . . . . . . . . . . 505--517 George H. Weiss and Stephen Yeandle Distribution of response times in visual sense cells after weak stimuli . . . . . 519--528 Jacob Jorné Negative ionic cross diffusion coefficients in electrolytic solutions 529--532 F. A. M. Alberghina A model for the regulation of growth in mammalian cells . . . . . . . . . . . . 533--545 M. J. Orlove Some further insight into kin selection 547--551 J. F. Bird and R. W. Flower and G. H. Mowbray An elemental phenomenon of vision-suprafusion transients: General theory, retinal-cortical manifestations, potential application . . . . . . . . . 553--557 Anonymous Pages 283--557 (December 1975) . . . . . ??
Anonymous Editorial Board . . . . . . . . . . . . i--i Anonymous Index to volume 56 . . . . . . . . . . . v--vii Dan Cohen and Hanna Parnas An optimal policy for the metabolism of storage materials in unicellular algae 1--18 Hanna Parnas and Dan Cohen The optimal strategy for the metabolism of reserve materials in micro-organisms 19--55 C. Linda Mcminn and J. H. Ottaway On the control of enzyme pathways . . . 57--73 Rodney B. Teague and Michael A. B. Deakin Inversion polymorphism: Character and stability of equilibria . . . . . . . . 75--94 J. Grinberg-Zylberbaum The retrieval of learned information --- a neurophysiological convergence-divergence theory . . . . . 95--110 William Yang and Robert Minard and Clifford Matthews Azacyclopropenylidenimine: A low energy dimer of hydrogen cyanide . . . . . . . 111--123 B. W. Ninham and R. A. Sammut Refractive index of arrays of spheres and cylinders . . . . . . . . . . . . . 125--149 Robert de Levie and Kathleen M. Abbey A unified approach to ion transport through membranes: I. Membrane-soluble ions . . . . . . . . . . . . . . . . . . 151--173 John A. Williamson and Brian Charlesworth The effect of age of founder on the probability of survival of a colony . . 175--190 G. W. F. H. Borst-Pauwels Discrimination criteria for apparent two-site transport models . . . . . . . 191--204 Dennis C. Prieve and Eli Ruckenstein The surface potential of and double-layer interaction force between surfaces characterized by multiple ionizable groups . . . . . . . . . . . . 205--228 H. P. Greenspan On the growth and stability of cell cultures and solid tumors . . . . . . . 229--242 G. M. Odell and E. F. Keller Traveling bands of chemotactic bacteria revisited . . . . . . . . . . . . . . . 243--247 W. S. C. Gurney and R. M. Nisbet A note on non-linear population transport . . . . . . . . . . . . . . . 249--251 Anonymous Pages 1--251 (January 1976) . . . . . . ??
Bruce Hannon Marginal product pricing in the ecosystem . . . . . . . . . . . . . . . 253--267 Howard C. Berg How spirochetes may swim . . . . . . . . 269--273 Vidyanand Nanjundiah Signal relay by single cells during wave propagation in a cellular slime mold . . 275--282 Michael E. Starzak and Daniel A. Tranchina An open system kinetic transport model for the Hodgkin--Huxley equations . . . 283--299 Bohuslav Novak and Friedrich F. Seelig Phase-shift model for the aggregation of amoebae: A computer study . . . . . . . 301--327 J. D. Murray On travelling wave solutions in a model for the Belousov--Zhabotinskii reaction 329--353 W. Parrish and F. Chittenden and E. Triplett A computer simulation of transcription and processing of eucaryotic mRNA . . . 355--361 John T. Finn Measures of ecosystem structure and function derived from analysis of flows 363--380 George G. Ross and Paul Nival Plankton modeling in the bay of Villefranche . . . . . . . . . . . . . . 381--399 E. Roland Menzel On the energy upconversion mechanism of light utilization by chlorophyll in photosynthesis . . . . . . . . . . . . . 401--416 Gerald M. Saidel and Lance A. Liotta and Jerome Kleinerman System dynamics of a metastatic process from an implanted tumor . . . . . . . . 417--434 Charles Berde Nonmonotonic transients and some mathematical models of circadian rhythms 435--436, IN1, 437--441 Mona D. Jensen and Donald F. H. Wallach and Peter Sherwood Diffusion in tissue cultures on gas-permeable and impermeable supports 443--458 R. M. Nisbet and W. S. C. Gurney Population dynamics in a periodically varying environment . . . . . . . . . . 459--475 P. R. Painter A model for the control of the batch culture growth rate of enteric bacteria 477--489 Mary F. Argus and Joseph C. Arcos Hydrocarbon-nitrosamine synergism as a possible amplifying factor in lung tumorigenesis by tobacco smoke . . . . . 491--498 R. A. Armstrong and R. McGehee Coexistence of two competitors on one resource . . . . . . . . . . . . . . . . 499--502 Peter Morand and Mathew Kalapurackal and Ludmila Lompa-Krzymien and Alex Van Tongerloo Steroid oxides as potential precursors in the biosynthesis of estrogens . . . . 503--506 Anonymous Pages 253--506 (February 1976) . . . . . ??
Anonymous Editorial Board . . . . . . . . . . . . i--i Anonymous Index to volume 57 . . . . . . . . . . . vii--xi Warren D. Smith and R. R. Mohler Necessary and sufficient conditions in the tracer determination of compartmental system order . . . . . . . 1--21 Lee A. Segel Incorporation of receptor kinetics into a model for bacterial chemotaxis . . . . 23--42 Timothy D. Johnston Theoretical considerations in the adaptation of animal communication systems . . . . . . . . . . . . . . . . 43--72 Juan Lin and Peter B. Kahn Averaging methods in predator--prey systems and related biological models 73--102 J. W. de Kwaadsteniet and J. C. Jager and A. H. Stouthamer A quantitative description of heterotrophic growth in micro-organisms 103--120 Jan Jaroszewski and Aftab Ahmed and Kenneth W. Sell Mechanism for regulation of immune responses . . . . . . . . . . . . . . . 121--129 E. Hovinen and M. Kekki and S. Kuikka A theory to the stochastic dynamic model building for chronic progressive disease processes with an application to chronic gastritis . . . . . . . . . . . . . . . 131--152 Michael E. Starzak Analysis of clamps with time dependent voltages in the squid axon using a kinetic transport model . . . . . . . . 153--169 J. Lavorel Matrix analysis of the oxygen evolving system of photosynthesis . . . . . . . . 171--185 Hiroko Fujita and Chikayoshi Nagata A molecular orbital study on the incorporation of nucleotides into RNA 187--202 Glen H. Smerage Matter and energy flows in biological and ecological systems . . . . . . . . . 203--223 Jean-Noël Lespinasse and Henri Broch and Raphaël Cornillon and Dane Vasilescu Flexibility of deoxyguanosine 5'monophosphate (5'dGMP): an E.H.T. conformational analysis . . . . . . . . 225--230 Hinrich Rahmann and Harald Rösner and Heinz Breer A functional model of sialo-glyco-macromolecules in synaptic transmission and memory formation . . . 231--237 John Maynard Smith Sexual selection and the handicap principle . . . . . . . . . . . . . . . 239--242 A. V. Holden Flicker noise and structural changes in nerve membrane . . . . . . . . . . . . . 243--246 David W. L. Hukins and John A. Chapman Structural hierarchy in collagenous tissues and the ``strait-jacket'' theory of bone stiffness . . . . . . . . . . . 247--248 Anonymous Pages 1--248 (March 1976) . . . . . . . ??
Margaret Chipchase Recombination by strand assimilation and strand crossover . . . . . . . . . . . . 249--279 J. K. Percus Tissue correlations in linear samples 281--299 J. A. Raven and F. A. Smith The evolution of chemiosmotic energy coupling . . . . . . . . . . . . . . . . 301--312 A. P. R. Theuvenet and G. W. F. H. Borst-Pauwels The influence of surface charge on the kinetics of ion-translocation across biological membranes . . . . . . . . . . 313--329 Nathaniel O. Calloway Body temperature: Thermodynamics of homeothermism . . . . . . . . . . . . . 331--344 J. W. F. Davis and P. O'Donald Sexual selection for a handicap: A critical analysis of Zahavi's model . . 345--354 Robert W. Rutledge and Bennett L. Basore and Robert J. Mulholland Ecological stability: An information theory viewpoint . . . . . . . . . . . . 355--371 Morten Colding-Jorgensen Can membrane excitation be described without a membrane capacity? . . . . . . 373--383 Ian A. MacDonald and C. Noel Williams and David E. Mahony A rapid non-chromatographic analysis of individual bile acids in human bile extracts . . . . . . . . . . . . . . . . 385--389 André Julg and Philippe François and Michel Rajzmann A theoretical and comparative CNDO study of chlorophylls a and b and their beryllium homologs . . . . . . . . . . . 391--394 D. Vasilescu and H. Broch and R. Cornillon and J.-N. Lespinasse Conformational analysis of aminoacyladenylates I. General backbone structure . . . . . . . . . . . . . . . 395--405 H. Broch and R. Cornillon and J. N. Lespinasse and D. Vasilescu Conformational analysis of aminoacyladenylates II. EHT study of glycyladenylate . . . . . . . . . . . . 407--418 Halvor N. Christensen Towards a sharper definition of energetic coupling through integration of membrane transport into bioenergetics 419--431 Peter W. Barlow Towards an understanding of the behaviour of root meristems . . . . . . 433--451 L. S. Schulman Stable generation of simple forms . . . 453--468 C. R. Calladine Design requirements for the construction of bacterial flagella . . . . . . . . . 469--489 P. N. M. Boon and J. Strackee A population of coupled oscillators . . 491--500 Anonymous Pages 249--500 (April 1976) . . . . . . ??
Marie-Luce Smoes Toward a mathematical description of chemical phase waves . . . . . . . . . . 1--14 K. Ijiri and N. Egami A mathematical model for germ cell determination process and effect of ultraviolet light on the process . . . . 15--16, IN1--IN2, 17--32 M. W. P. Strandberg Action potential in the giant axon of Loligo: a physical model . . . . . . . . 33--53 Thomas Nagylaki A model for the evolution of self-fertilization and vegetative reproduction . . . . . . . . . . . . . . 55--58 Makoto Oonuki Firing probability of a neural network: First-order differential equation . . . 59--81 J. B. Moffat and K. F. Tang A theoretical study of the reactive dimerization of HCN . . . . . . . . . . 83--95 Anthony D. Hitchins Spores as potential topological markers in bacterial DNA segregation studies . . 97--111 M. Michel-Villaz Fluorescence polarization: Pigment orientation and energy transfer in photosynthetic membranes . . . . . . . . 113--129 Nobuo Fukuda and Nagasumi Yago Population dynamics of mitochondria II. Turnover and ageing of rat liver mitochondria . . . . . . . . . . . . . . 131--142 Duncan R. Stevenson and Colin J. Thompson Fairy ring kinetics . . . . . . . . . . 143--163 S. Abdulnur Why is $5$-fluorouracil a mutagen? . . . 165--175 Lowell H. Hall and Lemont B. Kier A model for drug-receptor remote recognition applied to certain hydrogen bonding systems . . . . . . . . . . . . 177--195 P. Bongrand and C. Capo and A. M. Benoliel and R. Depieds Specialization in phagocytosis . . . . . 197--205 Robert J. Cohen The avoidance behavior of Phycomyces blakesleeanus: Is mediation by natural convection significant? . . . . . . . . 207--217 Guy Paillotin Capture frequency of excitations and energy transfer between photosynthetic units in the photosystem II . . . . . . 219--235 Guy Paillotin Movement of excitations in the photosynthetic domains of photosystem II 237--252 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--252 (7 May 1976) . . . . . . . ??
H. P. Rappaport An analysis of the binding of related ligands . . . . . . . . . . . . . . . . 253--268 L. A. Blumenfeld The physical aspects of enzyme functioning . . . . . . . . . . . . . . 269--284 Ernesto Villarreal and Ziya Akcasu and Raymond P. Canale A theory of interacting microbial populations: Multigroup approach . . . . 285--317 Dieter Klämbt and Otto Richter Computer programs for studying conformations in ribonucleic acids . . . 319--324 D. W. Hutchinson and R. Whittenbury and H. Dalton A possible role of free radicals in the oxidation of methane by Methylococcus capsulatus . . . . . . . . . . . . . . . 325--335 Barbara Leake and Photios A. Anninos Effect of connectivity on the activity of neural net models . . . . . . . . . . 337--363 C. A. Pasternak The cell surface in relation to the growth cycle . . . . . . . . . . . . . . 365--382 Christoph de Haën The non-stoichiometric floating receptor model for hormone sensitive adenylyl cyclase . . . . . . . . . . . . . . . . 383--400 Wolfgang Freist and Friedrich Cramer A binary code model for substrate recognition of aminoacyl-tRNA ligases 401--416 G. Harris and I. Olsen A possible mechanism for the synthesis of antibodies . . . . . . . . . . . . . 417--423 Peter T. Goulden The biological membrane potential some theoretical considerations . . . . . . . 425--438 Eli Ruckenstein and Abraham Marmur and William N. Gill Coverage dependent rate of cell deposition . . . . . . . . . . . . . . . 439--454 J. Cooke and E. C. Zeeman A clock and wavefront model for control of the number of repeated structures during animal morphogenesis . . . . . . 455--476 C. J. Gillespie Towards a molecular theory of the nerve membrane: The sufficiency of a single-ion queue . . . . . . . . . . . . 477--498 Anonymous Pages 253--370, IN1, 371-498 (1976) . . ??
Anonymous Editorial Board . . . . . . . . . . . . i--i Anonymous Index to volume 59 . . . . . . . . . . . vii--xi Hideo Murakami and Hiromasa Mori and Sadako Taira On the molecular embrace of bleomycin with helical DNA . . . . . . . . . . . . 1--23 R. Teague A result on the selection of recombination altering mechanisms . . . 25--32 Kwang Yun Lee and Robert O. Barr and Stuart H. Gage and Anil N. Kharkar Formulation of a mathematical model for insect pest ecosystems --- the cereal leaf beetle problem . . . . . . . . . . 33--76 John S. Nicolis and Marianna Benrubi A model on the role of noise at the neuronal and the cognitive levels . . . 77--96 Michael A. Resnick The repair of double-strand breaks in DNA: A model involving recombination . . 97--106 U. N. Singh Adaptation in micro-organisms: Variation in macromolecular composition with growth rate . . . . . . . . . . . . . . 107--126 J. S. Smart Statistical tests of the broken-stick model of species-abundance relations . . 127--139 John R. Clay A stochastic analysis of the graded excitatory response of nerve membrane 141--158 F. Solimano and E. Beretta The tree graphs theory for enzymatic reactions . . . . . . . . . . . . . . . 159--166 David E. Nichols Structural correlation between apomorphine and LSD: Involvement of dopamine as well as serotonin in the actions of hallucinogens . . . . . . . . 167--177 A. R. Martin The effect of membrane capacitance on non-linear summation of synaptic potentials . . . . . . . . . . . . . . . 179--187 Suheil F. Abdulnur and R. L. Flurry and J. M. Bopp Studies of the thyrotropin-releasing hormone I. CNDO/2 studies of the conformations of the residues . . . . . 189--203 K.-H. v. Wangenheim A mechanism for the endocellular control of cell differentiation and cell proliferation . . . . . . . . . . . . . 205--210, IN1, 211--222 Robert Schwabauer Enzymatic neurons . . . . . . . . . . . 223--230 Richard Wolfenden and Charles A. Lewis, Jr. A vapor phase analysis of the hydrophobic effect . . . . . . . . . . . 231--235 B. A. Hess and L. J. Schaad The aromatic stabilization of porphyrins 237--240 John Frizell A possible electron dense label for the use in the sequencing of DNA by electron microscopy . . . . . . . . . . . . . . . 241--242 Gerald Rosen Existence and nature of band solutions to generic chemotactic transport equations . . . . . . . . . . . . . . . 243--246 G. T. Hageseth Activation energy and germination times for isothermal seed germination . . . . 247--249 W. M. Fitch The deduction of messenger RNA sequences from amino acid sequences is, to date, a total failure . . . . . . . . . . . . . 251--252 Anonymous Pages 1--252 (June 1976) . . . . . . . . ??
Ting-Chao Chou Derivation and properties of Michaelis--Menten type and Hill type equations for reference ligands . . . . 253--254, IN1, 255--276 Fred J. Molz Water transport through plant tissue: the apoplasm and symplasm pathways . . . 277--292 S. Rotshenker and Y. Palti The latent period of anode break excitation in myelinated and giant axons 293--302 Z. G. Kudritskaya and V. I. Danilov Quantum mechanical study of bases interactions in various associates in atomic dipole approximation . . . . . . 303--318 Sungchul Ji A model of oxidative phosphorylation that accommodates the chemical intermediate, chemiosmotic, localized proton and conformational hypotheses . . 319--330 Milton S. Plesset and Christopher G. Whipple and Howard Winet Rayleigh--Taylor instability of surface layers as the mechanism for bioconvection in cell cultures . . . . . 331--351 Wolfgang Presber and Cornelia Schroeder and Detlev H. Krueger The evolution of mutation rates via DNA base composition and mutator genes: A proposition . . . . . . . . . . . . . . 353--360 W. S. C. Gurney and R. M. Nisbet Spatial pattern and the mechanism of population regulation . . . . . . . . . 361--370 Gerald Rosen Chemotactic transport theory for neutrophil leukocytes . . . . . . . . . 371--380 Fidel Ramón and Nels C. Anderson and Ronald W. Joyner and John W. Moore A model for propagation of action potentials in smooth muscle . . . . . . 381--408 Dennis E. Vance The rate-limiting reaction catalyzed by a multi-enzyme Complex --- The fatty acid synthetases . . . . . . . . . . . . 409--413 Howard D. Thames and Allen D. Elster Equilibrium states and oscillations for localized two-enzyme kinetics: A model for circadian rhythms . . . . . . . . . 415--427 Alex Mazanov Stability of multi-pool models with lags 429--442 Thomas A. McMahon and Richard E. Kronauer Tree structures: Deducing the principle of mechanical design . . . . . . . . . . 443--466 I. Mirsky and R. F. Janz The effect of age on the wall stiffness of the human thoracic aorta: A large deformation ``anisotropic'' elastic analysis . . . . . . . . . . . . . . . . 467--484 James Taylor The advantage of spacing-out . . . . . . 485--490 R. K. Raman The autonomous cell in \bionameDictyostelium discoideum . . . . 491--495 C. C. Cheng Structural similarity between febrifugine and chloroquine . . . . . . 497--501 Anonymous Pages 253--501 (7 July 1976) . . . . . . ??
Hajime P. Kitayama and Hideo Fukutome A molecular orbital theoretical study on the acid-base property and reactivity of the charge relay system in $ \alpha $-chymotrypsin . . . . . . . . . . . . . 1--18 C. J. Gillespie Towards a molecular theory of the nerve membrane: Inactivation . . . . . . . . . 19--35 Jeffrey L. Winkelhake A dynamic continuum model for molecular regulation of the humoral immune response . . . . . . . . . . . . . . . . 37--49 Moshe M. Werber The role of metal ions in the mechanism of action of hydrolytic metalloenzymes: Carbonic anhydrase . . . . . . . . . . . 51--58 M. L. Randolph Degradation of DNA in \bionameHaemophilus influenzae cells after X-ray irradiation: II. Comparison with theoretical models . . . . . . . . 59--91 James E. Ellis and John A. Wiens and Charles F. Rodell and Jerry C. Anway A conceptual model of diet selection as an ecosystem process . . . . . . . . . . 93--108 William B. Levy and John W. Haycock and Carl W. Cotman Membrane permeability and receptor function . . . . . . . . . . . . . . . . 109--130 J. Douglas Brailsford and Ralph A. Korpman and Brian S. Bull The red cell shape from discocyte to hypotonic spherocyte --- a mathematical delineation based on a uniform shell hypothesis . . . . . . . . . . . . . . . 131--145 R. D. Purves Current flow and potential in a three-dimensional syncytium . . . . . . 147--162 S. W. Rudich and J. B. Wade and V. A. DiScala Theoretical study of flow, pressure and solute concentration in double membrane systems . . . . . . . . . . . . . . . . 163--175 Robert Rosen A note on the cross-reactivity of antibodies . . . . . . . . . . . . . . . 177--182 Michael E. Johnson and Tai Te Wu Possible three-dimensional models for the polypeptide backbone structure of alamethicin . . . . . . . . . . . . . . 183--192, IN1--IN4, 193--195 Robert B. Spertell A theoretical inquiry into the role of phospholipids in membrane fusion . . . . 197--208 B. D. Wells and T. A. Stewart and J. R. Fisher Interpretation of nonlinear steady state enzyme kinetics-Cyclic and mathematical properties of cooperative, second-site and random pathway models . . . . . . . 209--221 Garrett M. Odell A new mathematical continuum theory of axoplasmic transport . . . . . . . . . . 223--237 Alan D. B. Malcolm On transition states in enzyme catalysed reactions . . . . . . . . . . . . . . . 239--240 Gerhard Schreiber and Jörg Urban and Kaylene Edwards Possible functions of the oligopeptide extension in the albumin precursor . . . 241--245 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--245 (21 July 1976) . . . . . . ??
B. I. Kurganov and A. I. Dorozhko and Z. S. Kagan and V. A. Yakovlev The theoretical analysis of kinetic behaviour of ``hysteretic'' allosteric enzymes. I. The kinetic manifestations of slow conformational change of an oligomeric enyzme in the Monod, Wyman and Changeux model . . . . . . . . . . . 247--269 B. I. Kurganov and A. I. Dorozhko and Z. S. Kagan and V. A. Yakovlev The theoretical analysis of kinetic behaviour of ``hysteretic'' allosteric enzymes. II. The dissociating and associating enzymic systems in which the rate of installation of equilibrium between the oligomeric forms is small in comparison with that of enzymatic reaction . . . . . . . . . . . . . . . . 271--286 B. I. Kurganov and A. I. Dorozhko and Z. S. Kagan and V. A. Yakovlev The theoretical analysis of kinetic behaviour of ``hysteretic'' allosteric enzymes III. Dissociating and associating enzyme systems in which the rate of installation of equilibrium between the oligomeric forms is comparable to that of enzymatic reaction 287--299 Jesús Alberto León Life histories as adaptive strategies 301--335 George S. Bakken A heat transfer analysis of animals: Unifying concepts and the application of metabolism chamber data to field ecology 337--384 Wayne W. Fish Ferritin structure: Possible models for apoferritin subunit arrangement . . . . 385--386, IN1--IN4, 387--392 Yoji Aizawa and Yonosuke Kobatake A theory of self-organization of an excitable membrane formed on the protoplasmic droplet isolated from Nitella . . . . . . . . . . . . . . . . 393--399 Norman G. Anderson Interactive macromolecular sites I. Basic theory . . . . . . . . . . . . . . 401--412 Norman G. Anderson Interactive macromolecular sites II. Role in prebiotic macromolecular selection and early cellular evolution 413--419 Michel Treisman The evolution of sexual reproduction: A model which assumes individual selection 421--431 T. J. Lardner and N. Solomon The determination of local cell membrane diffusion coefficients . . . . . . . . . 433--440 C. J. Lamb and P. H. Rubery Inhibition of co-operative enzymes by substrate-analogues: Possible implications for the physiological significance of negative co-operativity illustrated by phenylalanine metabolism in higher plants . . . . . . . . . . . . 441--447 S. H. Lin Oxygen diffusion in a spherical cell with nonlinear oxygen uptake kinetics 449--457 Irwin S. Bernstein Dominance, aggression and reproduction in primate societies . . . . . . . . . . 459--472 A. N. Stokes Rapid oxygen entry into unperfused tissue slices: An experimental artefact? 473--475 Harvey J. Gold Comment on the letter of A. N. Stokes on rapid oxygen entry into unperfused tissue slices . . . . . . . . . . . . . 477--477 I. S. Longmuir Reply to a letter to the editor by A. N. Stokes . . . . . . . . . . . . . . . . . 479--480 P. K. Ponnuswamy and P. Manavalan Preferred backbone conformations of amino acid residues for solvent interaction . . . . . . . . . . . . . . 481--486 Jirí Novotný A note on the stability of Jerne's immune network . . . . . . . . . . . . . 487--491 Wolfgang Wickler Duetting songs in birds: Biological significance of stationary and non-stationary processes . . . . . . . . 493--497 Anonymous Pages 247--497 (7 August 1976) . . . . . ??
G. S. Ladde Stability of model ecosystems with time-delay . . . . . . . . . . . . . . . 1--13 P. Kapur and P. Ghosh and N. G. Nath Stability, controllability and observability of arterial circulation 15--19 R. W. Lewis Mucus globule membrane: An hypothesis concerning its role in determining the viscosity of mucus . . . . . . . . . . . 21--26 Lee Makowski A physical basis for red cell membrane elasticity . . . . . . . . . . . . . . . 27--45 Lee Makowski A phase transition model for hemolysis 47--53 Vincent Torre A theory of synchronization of heart pace-maker cells . . . . . . . . . . . . 55--71 Gad Yagil Isotope exchange in biochemical networks application of an electric circuit technique to a biological reaction system . . . . . . . . . . . . . . . . . 73--80 L. Allan Butler and Lawrence D. Longo and Gordon G. Power Placental blood flows and oxygen transfer during uterine contractions: A mathematical model . . . . . . . . . . . 81--95 Franklin F. Offner and San Hyung Kim Conformational effects on the activation free energy of diffusion through membranes as influenced by electric fields . . . . . . . . . . . . . . . . . 97--112 Franklin F. Offner and S. H. Kim Role of ionic adsorption in the excitable membrane . . . . . . . . . . . 113--127 Alexander Gero and Robert J. Capetola Exploration of drug action on a morphine receptor by methods of enzyme kinetics 129--142 Carlo Bruni and Alfredo Germani and Giorgio Koch and Roberto Strom Derivation of antibody distribution from experimental binding data . . . . . . . 143--170 Elton Stubblefield and Cheryl M. Dennis The simulation of thymidine kinase enzyme kinetics in cultured cells using the computer language cellsim . . . . . 171--184 N. F. H. Ho and J. Park and W. Morozowich and W. I. Higuchi A physical model for the simultaneous membrane transport and metabolism of drugs . . . . . . . . . . . . . . . . . 185--193 Hirotami T. Imai Further evidence and biological significance for non-random localization of the centromere on mammalian chromosomes . . . . . . . . . . . . . . 195--203 Karl Doerner Some stress-strain relationships of cellular cleavage and noncleavage . . . 205--209 Ronald J. Tallarida and Oscar L. Laskin and Leonard S. Jacob Perturbation of drug receptor equilibrium in the presence of competitive blocking agents . . . . . . 211--219 C. T. Dragomir and Anca Barbier and Daria Ungureanu A new hybrid theory of muscle contraction . . . . . . . . . . . . . . 221--244 L. Reijnders The origin of endosymbiotic nitrogen fixation by Rhizobium . . . . . . . . . 245--248 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--248 (7 September 1976) . . . . ??
Peter Kaus Possible adaptive values of the resonant slave in biological clocks . . . . . . . 249--265 Albert K. Harris Is cell sorting caused by differences in the work of intercellular adhesion? A critique of the Steinberg hypothesis . . 267--285 Phil Diamond Domains of stability and resilience for biological populations obeying difference equations . . . . . . . . . . 287--306 M. H. Friedman The effect of membrane heterogeneity on the predictability of fluxes, with application to the cornea . . . . . . . 307--328 Barry Martin Dancis Ring theory II. Fractional tandem model 329--351 Ira Lee Silver The dynamics of a discrete geotropic sensor subject to rotation-induced gravity compensation . . . . . . . . . . 353--362 J. Wayne Streilein and Campbell B. Read A mathematical model in immunoregulation where the spleen has a pivotal role . . 363--376 Doru-Georg M\uargineanu Water distribution in tissues: A compartmental analysis and some testing criteria . . . . . . . . . . . . . . . . 377--391 L. Bass and S. Keiding and K. Winkler and N. Tygstrup Enzymatic elimination of substrates flowing through the intact liver . . . . 393--409 Prithwis Das Gupta and Lynn Hickman A note on the effect of ignoring dropout cases on fecundability as estimated from a follow-up study . . . . . . . . . . . 411--417 Anthony L. Fink Cryoenzymology: The use of sub-zero temperatures and fluid solutions in the study of enzyme mechanisms . . . . . . . 419--445 H. Charles Romesburg Use of the normal generated distribution for estimating population survival . . . 447--457 Vincenzo P. Chiarugi and Simonetta Vannucchi Surface heparan sulphate as a control element in eukariotic cells: A working model . . . . . . . . . . . . . . . . . 459--475 Daniel S. Levine and Stephen Grossberg Visual illusions in neural networks: Line neutralization, tilt after effect, and angle expansion . . . . . . . . . . 477--504 Anonymous Pages 249--504 (21 September 1976) . . . ??
Hél\`ene Conjeaud and M. Michel-Villaz Photoinduced electric field effect on the optical properties of photosynthetic membranes . . . . . . . . . . . . . . . 1--16 Jean E. Morel and Ingrid Pinset-Härström and Marcel P. Gingold Muscular contraction and cytoplasmic streaming: A new general hypothesis . . 17--26, IN1, 27--51 J. Chen and C. W. Huang and L. Hinman and M. P. Gordon and D. A. Deranleau Photomonomerization of pyrimidine dimers by indoles and proteins . . . . . . . . 53--67 Howard A. Rubin and John J. Lee Informational energy flow as an aspect of the ecological efficiency of marine ciliates . . . . . . . . . . . . . . . . 69--91 H. N. Comins and M. P. Hassell Predation in multi-prey communities . . 93--114 Don DeVault Theory of iron-sulfur center N-2 oxidation and reduction by ATP . . . . . 115--139 O. E. Rössler Prescriptive relational biology and bacterial chemotaxis . . . . . . . . . . 141--157 Charles DeLisi and Alan Perelson The kinetics of aggregation phenomena I. Minimal models for patch formation on lymphocyte membranes . . . . . . . . . . 159--210 H. Y. Ando and N. F. H. Ho and W. I. Higuchi and J. Turi and C. Shipman Systems approach to the study of drug transport across membranes using suspension cultures of mammalian cells V. Simultaneous passive transport and biosynthesis . . . . . . . . . . . . . . 211--225 M. Zamir Optimality principles in arterial branching . . . . . . . . . . . . . . . 227--251 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--251 (7 October 1976) . . . . . ??
L. Wolpert and W. D. Stein and E. A. Barnard Frontispiece . . . . . . . . . . . . . . i--i F. Doljanski and M. Kapeller Cell surface shedding --- the phenomenon and its possible significance . . . . . 253--270 D. E. Green The structure of biological membranes in relation to the principle of energy coupling . . . . . . . . . . . . . . . . 271--285 R. J. C. Harris Latency and the tumour virus problem . . 287--298 Shirley E. Hawkins Recent studies of some RNAs and proteins in amoebae . . . . . . . . . . . . . . . 299--313 A. H. Maddy A critical evaluation of the analysis of membrane proteins by polyacrylamide gel electrophoresis in the presence of dodecyl sulphate . . . . . . . . . . . . 315--326 Peter Mitchell Possible molecular mechanisms of the protonmotive function of cytochrome systems . . . . . . . . . . . . . . . . 327--367 M. J. Ord The interaction of nuclear and cytoplasmic damage after treatments with toxic chemicals . . . . . . . . . . . . 369--378, IN1--IN5, 379--387 Shinpei Ohki and Catherine B. Ohki Monolayers at the oil/water interface as a proper model for bilayer membranes . . 389--407 Robert Rein and John T. Egan The relation between genetic recombination and base sequence complementarity . . . . . . . . . . . . 409--427 Robert Rosen On rate-sensitive chemoreceptor systems and the origin of the immune response 429--445 J. Torbet and M. H. F. Wilkins X-ray diffraction studies of lecithin bilayers . . . . . . . . . . . . . . . . 447--458 J. Z. Young Choice, determinism and value in the light of biological knowledge . . . . . 459--465 W. D. Stein An algorithm for writing down flux equations for carrier kinetics, and its application to co-transport . . . . . . 467--478 J. H. Lewis and L. Wolpert The principle of non-equivalence in development . . . . . . . . . . . . . . 479--490 G. Burnstock Purinergic receptors . . . . . . . . . . 491--503 Anonymous Pages 253--503 (21 October 1976) . . . . ??
Robert E. Childs and William G. Bardsley An analysis of non-linear Eadie--Hofstee--Scatchard representations of ligand-binding and initial-rate data for allosteric and other complex enzyme mechanisms . . . . 1--18 Robert Rosen Structural stability, alternate descriptions and information . . . . . . 19--31 J. R. Smythies and J. M. Beaton and F. Benington and R. J. Bradley and R. F. Morin On the molecular mechanism of interaction between the neurophysins and oxytocin and vasopressin . . . . . . . . 33--46, IN1, 47--48 R. A. Elton and W. Fiers Rhythmic variations in purine run frequencies in bacteriophage RNA . . . . 49--59 Morten Colding-Jòrgensen A description of adaptation in excitable membranes . . . . . . . . . . . . . . . 61--87 C. E. Miller and S. Thompson and J. Lozar A theoretical evaluation of cardiac output as a function of mean arterial pressure in the human cardiovascular system . . . . . . . . . . . . . . . . . 89--98 F. Denizeau and J. Wyse and T. L. Sourkes Kinetics of multiple transport systems for amino acids in the brain . . . . . . 99--110 Semih Erhan Information density, cellular immunity and transfer factor . . . . . . . . . . 111--115 Sungzong Kang and Michael V. W. Bergamini and Michael Hasen Conformation of N-formyl-1,3-dihydroxy-$ \Delta^{31} $-pentene, a model compound of sphingomyelin . . . . . . . . . . . . 117--124 Craig J. Benham and John J. Kozak Denaturation: an example of a catastrophe II. Two-state transitions 125--149 Shunsuke Sato and Nakaakira Tsukahara Some properties of the theoretical membrane transients in Rall's neuron model . . . . . . . . . . . . . . . . . 151--163 H. Shimizu and T. Yamada and K. Nishiyama and M. Yano The synergetic enzyme theory of muscular contraction: II Relation between Hill's equations and functions of two-headed myosin . . . . . . . . . . . . . . . . . 165--189 Horacio Fabrega The biological significance of taxonomies of disease . . . . . . . . . 191--216 William B. Adams Upper and lower bounds on the non-linearity of sommation of end-plate potentials . . . . . . . . . . . . . . . 217--224 R. D. Purves Microelectrodes in spherical cells . . . 225--228 A. L. Mackay A gyro-chemical effect? . . . . . . . . 229--232 Alan S. Perelson Remarks on conservation of mass in open chemical reaction systems . . . . . . . 233--237 H. Kacser The proper solutions of Kacser's developmental model . . . . . . . . . . 239--241 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--241 (November 1976) . . . . . . ??
Anonymous News item . . . . . . . . . . . . . . . 243--243 J. Maynard Smith A short-term advantage for sex and recombination through sib-competition 245--258 G. Venzl Statistical fluctuations of activity in localized neural populations . . . . . . 259--274 Erik J. Noldus Optimal control aspects of left ventricular ejection dynamics . . . . . 275--309 B. Seaton The detection of periodicity in irregular data . . . . . . . . . . . . . 311--324 William G. Bardsley and Roy D. Waight Primary kinetic isotope effects in enzyme-catalysed reactions. A theoretical treatment and new experimental methods of study . . . . . 325--345 Gunnar von Heijne and Clas Blomberg Kinetic aspects of the DNA helix-Cruciform transition . . . . . . . 347--353 R. M. Shymko and Leon Glass Cellular and geometric control of tissue growth and mitotic instability . . . . . 355--374 P. T. Saunders and M. W. Ho On the increase in complexity in evolution . . . . . . . . . . . . . . . 375--384 A. W. Bush and A. E. Cool The effect of time delay and growth rate inhibition in the bacterial treatment of wastewater . . . . . . . . . . . . . . . 385--395 L. Demetrius Measures of variability in age-structured populations . . . . . . . 397--404 R. G. Greig and M. N. Jones The possible role of steric forces in cellular cohesion . . . . . . . . . . . 405--419 Ricardo P. Garay Thermodynamic restrictions on the allosteric models through an analysis of the free energy of interaction between sites . . . . . . . . . . . . . . . . . 421--441 John Steele Application of theoretical models in ecology . . . . . . . . . . . . . . . . 443--451 Kazumi Kubo A view on the equivalence point in the precipitin test . . . . . . . . . . . . 453--478 Michel Treisman and Richard Dawkins The ``cost of meiosis'': is there any? 479--484 Anonymous Pages 243--484 (December 1976) . . . . . ??
Andrej Yu. Yakovlev and Aleksandr V. Zorin and Nikita A. Isanin The kinetic analysis of induced cell proliferation . . . . . . . . . . . . . 1--25 B. Klein and A.-J. Valleron A compartmental model for the study of diurnal rhythms in cell proliferation 27--42 Rajagopalan K. Raman Cellular aggregation towards steady point sources of attractant . . . . . . 43--69 Nick Sperelakis and James E. Mann Evaluation of electric field changes in the cleft between excitable cells . . . 71--96 Victor Nigon and Jacqueline Godet Genetic analysis of cell differentiation: Possible extension of the haemoglobin differon model to \bionameDrosophila morphogenesis and immunoglobulin determination . . . . . . 97--111 Norman D. Cook The case for reverse translation . . . . 113--135 Danielle Meunier and Paule Chevillotte-Brivet Action de l'antimycine a sur l'activité succinoxydase des mitochondries du tubercule de Pomme de Terre, et comportement des cytochromes de type b 137--163 J. H. M. Thornley A model of apical bifurcation applicable to trees and other organisms . . . . . . 165--176 Hugh N. Comins The development of insecticide resistance in the presence of migration 177--197 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--197 (7 January 1977) . . . . . ??
M. S. Waterman and T. F. Smith and M. Singh and W. A. Beyer Additive evolutionary trees . . . . . . 199--213 Philip Rosen Viral carcinogenesis . . . . . . . . . . 215--220 George Russev and Kalin Dudov Chromatin organization studied by computer simulation of models of growing polymer chains . . . . . . . . . . . . . 221--230, IN1, 231--235 Pieter Stroeve Diffusion with irreversible chemical reaction in heterogeneous media: Application to oxygen transport in respiring tissue . . . . . . . . . . . . 237--251 S. N. Biswas and K. C. Gupta and B. B. Karmakar Brillouin--Wigner perturbation solution of Volterra's prey-predator system . . . 253--260 Phillip I. Good A stochastic model for in vitro ageing II. A theory of marginotomy . . . . . . 261--275 Alan B. R. Thomson and John M. Dietschy Derivation of the equations that describe the effects of unstirred water layers on the kinetic parameters of active transport processes in the intestine . . . . . . . . . . . . . . . 277--294 Harel Weinstein and Shalom Srebrenik and Saul Maayani and Mordechai Sokolovsky A theoretical model study of the comparative effectiveness of atropine and scopolamine action in the central nervous system . . . . . . . . . . . . . 295--309 Apolinario D. Nazarea Intrinsic critical length associated with oscillatory reactive processes in complex solutions: Hydrodynamic estimates . . . . . . . . . . . . . . . 311--322 Chris E. Jones and Mark O. J. Olson Sequence-specific DNA-protein interaction: the lac represser . . . . . 323--326, IN3--IN6, 327--332 Manuel Rotenberg Mathematical description of holometabolous life cycles . . . . . . . 333--353 K. W. Koschel and J. M. Radley and G. S. Hodgson The analysis of cell kinetics using cohort fraction labelled mitosis (COFLM) curves . . . . . . . . . . . . . . . . . 355--361 D. J. Heath Simultaneous hermaphroditism; cost and benefit . . . . . . . . . . . . . . . . 363--373 Paul G. Falkowski A theoretical description of nitrate uptake kinetics in marine phytoplankton based on bisubstrate kinetics . . . . . 375--379 Stanley Ainsworth Isotope transfer at equilibrium. An application of the set nomenclature for mechanisms of enzymic catalysis . . . . 381--389 Malcolm Weller A further theoretical treatment of the turnover of protein bound phosphate in the presence of both protein kinase and phosphatase activities . . . . . . . . . 391--399 Anonymous Pages 199--399 (21 January 1977) . . . . ??
F. Solimano and E. Beretta and E. Piatti The tree graphs theory for enzymatic reactions: A theorem for the reactions among the non-enzymatic species . . . . 401--412 J. Mailen Kootsey The steady-state finite cable: Numerical method for non-linear membrane . . . . . 413--420 S. P. Ho and M. D. Kostin Kinetics and diffusion in multienzyme systems . . . . . . . . . . . . . . . . 421--427 Yu. A. Chizmadjev and S. Kh. Aityan Ion transport across sodium channels in biological membranes . . . . . . . . . . 429--453 J. A. Hewitt On the influence of polyvalent ligands on membrane curvature . . . . . . . . . 455--472 R. H. Wright Odor and molecular vibration: Neural coding of olfactory information . . . . 473--474, IN1--IN2, 475--502 Peter A. Crill The photosynthesis-light curve: A simple analog model . . . . . . . . . . . . . . 503--516 V. I. Deshcherevsky Kinetic model of regulation of muscle protein activity . . . . . . . . . . . . 517--534 L. D. Homer and Alfred Small A unified theory for estimation of cardiac output, volumes of distribution and renal clearances from indicator dilution curves . . . . . . . . . . . . 535--550 Yoshiya Shinagawa Donnan potential in the stationary state 551--556 Iván Ortega Blake A molecular mechanism for transcription of a closed DNA molecule . . . . . . . . 557--569 John VanSickle Analysis of a distributed-parameter population model based on physiological age . . . . . . . . . . . . . . . . . . 571--586 I. Richard Lapidus and Bernard Rosen and Robert Hepperle Secondary structure of Q$ \beta $RNA . . 587--595 Paul B. Green On growth and the cell cycle in roots 597--598 J. J. Blum On the geometry of four-dimensions and the relationship between metabolism and body mass . . . . . . . . . . . . . . . 599--601 Anonymous Pages 401--601 (7 February 1977) . . . . ??
Marjorie A. Asmussen and Marcus W. Feldman Density dependent selection 1: A stable feasible equilibrium may not be attainable . . . . . . . . . . . . . . . 603--618 B. T. Rubin A theoretical model of the pinocytotic vesicular transport process in endothelial cells . . . . . . . . . . . 619--647 Peter J. H. Sharpe and Don W. DeMichele Reaction kinetics of poikilotherm development . . . . . . . . . . . . . . 649--670 John R. Clay Monte Carlo simulation of membrane noise: An analysis of fluctuations in graded excitation of nerve membrane . . 671--680 Joseph L. Roti Roti and Robert B. Painter Equations for measuring the rate of DNA chain growth and replicon size by density labeling techniques . . . . . . 681--696 J. R. Blake An active porous medium model for ciliary propulsion . . . . . . . . . . . 697--701 Ralph Nossal Mathematical analysis of a capillary migration assay for cellular immune sensitivity: Simple theory for dose-response . . . . . . . . . . . . . 703--704, IN1, 705--722 Peter Clifford The effect of arm number on chromosome exchange distortion . . . . . . . . . . 723--728 Stanley Samuels Transport of the large-neutral amino acids by the $ \gamma $-glutamyl cycle: A proposal . . . . . . . . . . . . . . . 729--738 N. C. Subrahmanyam Mechanism of meiotic recombination in eukaryotes --- a theory . . . . . . . . 739--745 Samuel Litwin and Neville R. Kallenbach On the localization of the origin of DNA replication in \bionameE. coli . . . . . 747--760 Richard de Long On bacterial dissociation . . . . . . . 761--764 A. G. Craig Multi-lesion models for cell survival following exposure to ionising radiations . . . . . . . . . . . . . . . 765--770 Michael J. Jackson Epithelial transport of weak electrolytes. Properties of a model of the three compartment system . . . . . . 771--788 D. A. Reay and F. A. J. Thiele Heat pipe theory applied to a biological system: Quantification of the role of the ``resting'' eccrine sweat gland in thermoregulation . . . . . . . . . . . . 789--803 Anonymous Pages 603--803 (21 February 1977) . . . ??
Kenzi Ishida Non-equilibrium thermodynamics of temporally oscillating chemical reactions: The case of limit cycle . . . 1--13 T. Hideshima and H. Kimizuka and L. G. Abood and R. Tanaka ATP and other nucleotide interaction with model compounds of amino acids . . 15--27 Irving Adler The consequences of contact pressure in phyllotaxis . . . . . . . . . . . . . . 29--77 H. P. Greenspan On the dynamics of cell cleavage . . . . 79--99 Juan Lin and Peter B. Kahn Qualitative behavior of predator--prey communities . . . . . . . . . . . . . . 101--132 Jacob Jorné The diffusive Lotka--Volterra oscillating system . . . . . . . . . . . 133--139 Arnold Trehub Neuronal models for cognitive processes: Networks for learning, perception and imagination . . . . . . . . . . . . . . 141--169 Claude Giessner-Prettre and Bernard Pullman On the conformational dependence of the proton chemical shifts in nucleosides and nucleotides. I. Proton shifts in the ribose ring of pyrimidine nucleosides as a function of the torsion angle about the glycosyl bond . . . . . . . . . . . 171--188 Claude Giessner-Prettre and Bernard Pullman On the conformational dependence of the proton chemical shifts in nucleosides and nucleotides. II. Proton shifts in the ribose ring of purine nucleosides as a function of the torsion angle about the glycosyl bond . . . . . . . . . . . 189--201 C. M. Kennedy and E. R. Smith Effects of charge structure on long-range interactions between cylindrical polyelectrolyte molecules 203--207 C. T. Dragomir and S. A. Cananau Distribution of subcellular components under gravity changes. The special condition of the dystrophic cell . . . . 209--213 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--213 (7 March 1977) . . . . . . ??
Stanley G. Schultz and Raymond A. Frizzell and Hugh N. Nellans An equivalent electrical circuit model for ``sodium-transporting'' epithelia in the steady-state . . . . . . . . . . . . 215--229 Christian Wuilmart and Lode Wyns An evolutionary scheme for the histones as derived from a study of internal repetitions and homologies among the different classes . . . . . . . . . . . 231--252 William R. Welch and C. Richard Tracy Respiratory water loss: A predictive model . . . . . . . . . . . . . . . . . 253--265 S. A. Baranowitz and S. N. Salthe and P. F. A. Maderson The use of the Gompertz curve in an analysis of the dynamics of lizard tail regeneration . . . . . . . . . . . . . . 267--279 William G. Bardsley The 3:3 function in enzyme kinetics possible shapes of vS and (1v)(1S) plots for third degree steady-state rate equations . . . . . . . . . . . . . . . 281--316 H. W. Kroes The niche structure of ecosystems . . . 317--326 R. D. Purves The time course of cellular responses to iontophoretically applied drugs . . . . 327--344 Ting-Chao Chou On the determination of availability of ligand binding sites in steady-state systems . . . . . . . . . . . . . . . . 345--356 Yi-der Chen Fluctuations and noise in non-linear kinetic systems . . . . . . . . . . . . 357--367 Jean-Robert Derome Biological similarity and group theory 369--378 Yurij I. Kharkats and Aleksandr G. Volkov and Leonid I. Boguslavsky Transfer of ions and electrons across the interface between two immiscible liquids in functioning enzyme membrane systems . . . . . . . . . . . . . . . . 379--391 J. Berger A comment on information theory and central dogma of molecular biology . . . 393--395 Harvey P. Greenspan and Judah Folkman Hypotheses on cell adhesion and actin cables . . . . . . . . . . . . . . . . . 397--398, IN1 Anonymous Pages 215--398 (21 March 1977) . . . . . ??
Anonymous Errata . . . . . . . . . . . . . . . . . i--i Hugh N. Comins The management of pesticide resistance 399--420 Stanley E. Shackney A cytokinetic model for heterogeneous mammalian cell populations. III. Tritiated thymidine studies: Correlations among multiple kinetic parameters in human tumors . . . . . . . 421--464 Ivan G. Darvey Transient phase kinetics of enzyme reactions where more than one species of enzyme is present at the start of the reaction . . . . . . . . . . . . . . . . 465--478 William Stillwell On the origin of photophosphorylation 479--497 Paul Waltman and E. Butz A threshold model of antigen-antibody dynamics . . . . . . . . . . . . . . . . 499--512 F. I. Maclean Analysis of metabolism by mathematical programming techniques . . . . . . . . . 513--522 Hiroyuki Ohshima A model for the electrostatic interaction of cells . . . . . . . . . . 523--530 Francisco J. Varela and J. Carter Rowley and David T. Moran The control of ciliary movements: An application of the cusp catastrophe . . 531--553 D. C. Reanney Aminoacyl thiol esters and the origins of genetic specificity . . . . . . . . . 555--569 Richard F. Norman and Peter D. Taylor and Raleigh J. Robertson Stable equilibrium strategies and penalty functions in a game of attrition 571--578 J. Lewis and J. M. W. Slack and L. Wolpert Thresholds in development . . . . . . . 579--590 A. Sepúlveda and J. C. Toha Secondary structure in synthetic messenger RNAs from immunoglobulins . . 591--596 Dietrich Gradmann Potassium and turgor pressure in plants 597--599 P. Calow and J. B. Jennings Optimal strategies for the metabolism of reserve materials in microbes and metazoa . . . . . . . . . . . . . . . . 601--603 M. J. Orlove Kin selection and cancer . . . . . . . . 605--607 Anonymous Pages 399--607 (7 April 1977) . . . . . ??
B. F. Dibrov and M. A. Livshits and M. V. Volkenstein Mathematical model of immune processes 609--631 G. William Moore and U. N. Riede and W. Sandritter Application of Quine's nullities to a quantitative organelle pathology . . . . 633--651 Ernst G. Huf and John R. Howell Computer modelling. Application to studies on the initial rate of Na + uptake by frog skin epidermis . . . . . 653--669 Robert M. Seyfarth A model of social grooming among adult female monkeys . . . . . . . . . . . . . 671--698 Thomas Alerstam and Sven-Göran Pettersson Why do migrating birds fly along coastlines? . . . . . . . . . . . . . . 699--712 G. Adam Rotation of bacterial flagella as driven by cytomembrane streaming . . . . . . . 713--726 N. MacDonald Birfurcation theory applied to a simple model of a biochemical oscillator . . . 727--734 Athel Cornish-Bowden Assessment of protein sequence identity from amino acid composition data . . . . 735--742 M. C. Thorne Theoretical apects of the distribution and retention of radionuclides in biological systems . . . . . . . . . . . 743--754 Craig F. Bohren Circular dichroism and optical rotatory dispersion spectra of arbitrarily shaped optically active particles . . . . . . . 755--767 David R. Appleton and Nicholas A. Wright and Paul Dyson The age distribution of cells in stratified squamous epithelium . . . . . 769--779 H. P. Rappaport Interpretation of transition state and substrate analog binding . . . . . . . . 781--781 Henry C. Tuckwell On stochastic models of the activity of single neurons . . . . . . . . . . . . . 783--785 Jane Overton Is there an instance of Steinberg's ``site frequency model''? . . . . . . . 787--789 James A. Lavender Kauffman's square-root law: Possible correlatives . . . . . . . . . . . . . . 791--793 Gerald Rosen On the persistence of ecological systems 795--799 Anonymous Pages 609--799 (21 April 1977) . . . . . ??
Paul Yager A novel mechanism for the Na + --K + ATPase . . . . . . . . . . . . . . . . . 1--4, IN1--IN3, 5--11 Seiji Mizuhashi Out-of-plane distortion of the iron in ferrohemoglobin due to pseudo-Jahn--Teller effect . . . . . . . 13--20 Peter J. H. Sharpe and Guy L. Curry and Don W. DeMichele and Charles L. Cole Distribution model of organism development times . . . . . . . . . . . 21--38 Nitish K. Sanyal and U. Kumar and Ravi P. Sinha Energy of association of uracil with Watson-Crick A-T pair . . . . . . . . . 39--46 G. M. Crippen and I. D. Kuntz Directional structural features of globular proteins . . . . . . . . . . . 47--61 H. M. Hudson and G. M. Hahn The labelled mitosis curve for a population consisting of fast and slowly cycling cells . . . . . . . . . . . . . 63--79 B. D. Wells and L. A. Parks and I. Tam and J. R. Fisher A kinetic model for glutamate dehydrogenase . . . . . . . . . . . . . 81--93 G. William Moore Proof of the populous path algorithm for missing mutations in parsimony trees . . 95--106 E. A. Marshall The osmotic flow of an electrolyte through a charged porous membrane . . . 107--135 Jules Duchesne A unifying biochemical theory of cancer, senescence and maximal life span . . . . 137--145 E. Ruckenstein and A. Marmur and W. N. Gill Growth kinetics of platelet thrombi . . 147--168 T. F. H. Allen Neolithic urban primacy: The case against the invention of agriculture . . 169--180 Z. William Wolkowski and Dominique Moccatti and Françoise Heymans and Jean-Jacques Godfroid A quantitative structure-activity approach to chemoreception: Importance of lipophilic properties . . . . . . . . 181--193 Alexandru Ciures The Mach bands: The visualization of Gibbs phenomenon in the space domain . . 195--196, IN5, 197 F. K. Fong Current developments in the investigation of the primary light reactions in photosynthesis . . . . . . 199--202 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--202 (7 May 1977) . . . . . . . ??
Anonymous Announcement . . . . . . . . . . . . . . i--i Jeremiah I. Nelson The plasticity of correspondence: After-effects, illusions and horopter shifts in depth perception . . . . . . . 203--266 Marl Branchey and Morris Meisner and George M. Simpson A paradox in the prognosis of schizophrenia. Explanation by a mathematical model . . . . . . . . . . . 267--280 John A. Black and Richard N. Harkins Amino acid compositions and evolutionary relationships with protein families . . 281--295 Rudolph L. Leibel A biologic radar system for the assessment of body mass the model of a geometry sensitive endocrine system is presented . . . . . . . . . . . . . . . 297--306 Clas Blomberg A kinetic recognition process for tRNA at the ribosome . . . . . . . . . . . . 307--325 S. D. Tuljapurkar and J. S. Semura Dynamic equilibrium under periodic perturbations in simple ecosystem models 327--343 Lilian Shiao-Yen Wu The stability of ecosystems --- a finite-time approach . . . . . . . . . . 345--359 Robert Ransom Computer analysis of cell division in \bionameDrosophila imaginal discs: Model revision and extension to simulate leg disc growth . . . . . . . . . . . . . . 361--377 A. S. Davydov Solitons and energy transfer along protein molecules . . . . . . . . . . . 379--387 Manuel Rotenberg Selective synchrony of cells of differing cycle times . . . . . . . . . 389--398 Anonymous Pages 203--398 (21 May 1977) . . . . . . ??
Ronald D. Grisell Models of potassium conduction in excitable membrane examined by spectral analysis . . . . . . . . . . . . . . . . 399--436 Richard Laing Automaton models of reproduction by self-inspection . . . . . . . . . . . . 437--456 Kirt J. Vener and Donald M. Perrill Urea and sickle cell anemia . . . . . . 457--460 Pavel Hobza and Rudolf Zahradník Electronic structure of established and potential oxidizing agents in biological systems . . . . . . . . . . . . . . . . 461--474 Nobuhiro Go and Yoichiro Anan Regulatory functions of allosteric enzymes in far-from-equilibrium systems 475--483 Zeno Simon and Ilie Badilescu and Traian Racovitan Mapping of dihydrofolate-reductase receptor site by correlation with minimal topological (steric) differences 485--495 P. E. Rapp and M. J. Berridge Oscillations in calcium-cyclic AMP control loops form the basis of pacemaker activity and other high frequency biological rhythms . . . . . . 497--525 S. Ramamoorthy and Gary G. Leppard Fibrillar pectin and contact cation exchange at the root surface . . . . . . 527--530, IN1, 531--540 Eric L. Charnov An elementary treatment of the genetical theory of kin-selection . . . . . . . . 541--550 W. Hugh Cameron A model framework for computer simulation of overall renal function . . 551--572 John Collins and Jan Engberg A model for switching on ribosomal RNA synthesis by creating a palindromic DNA sequence in the promoter region of the ribosomal RNA cistron: the ``structon'' 573--582 B. E. Juniper Some speculations on the possible roles of the plasmodesmata in the control of differentiation . . . . . . . . . . . . 583--586, IN3--IN4, 587--592 B. Günther Body temperature: Thermodynamics of homeothermism. Conjectural effects of high altitudes . . . . . . . . . . . . . 593--594 Anonymous Pages 399--594 (7 June 1977) . . . . . . ??
Robert S. Krooth and S. Randolph May and Harvey J. Stern A theory for the chemical mediation of the excitability of the brain, with special reference to natural and drug-induced sleep . . . . . . . . . . . 595--652 I. G. Darvey One substrate-one product enzymic reactions The determination of the velocity constants for an enzyme mechanism involving two conformational forms of enzyme and one enzyme intermediate . . . . . . . . . . . . . . 653--663 H. L. Frisch and I. J. Gotham On periodic algal cyclostat populations 665--678 Craig J. Benham and John J. Kozak Denaturation: An example of a catastrophe III. Phase diagrams for multistate transformations . . . . . . . 679--693 Photios A. Anninos and Ronald Cyrulnik A neural net model for epilepsy . . . . 695--709 V. Znojil and J. Vacha A theoretical model of the red cell survival followed by means of random and cohort labeling . . . . . . . . . . . . 711--726 Ruth Duncan and Margaret K. Pratten Membrane economics in endocytic systems 727--735 John Hartung An implication about human mating systems . . . . . . . . . . . . . . . . 737--745 Fumio Oosawa and Yasuo Nakaoka Behavior of micro-organisms as particles with internal state variables . . . . . 747--761 John R. Clay and Michael F. Shlesingert Unified theory of 1f and conductance noise in nerve membrane . . . . . . . . 763--773 James Wei and Michael B. Russ Convection and diffusion in tissues and tissue cultures . . . . . . . . . . . . 775--787 R. D. Purves The release of drugs from iontophoretic pipettes . . . . . . . . . . . . . . . . 789--798 Martin Eisen and John Schiller Microfluorometry analysis . . . . . . . 799--809 G. Chidichimo and F. Lelj and N. Russo CNDO/2 conformational analysis of acetylselenocholine . . . . . . . . . . 811--814 Anonymous Pages 595--814 (21 June 1977) . . . . . ??
Akintola B. Odutola A theoretical consideration of a model simulating the functional organization of the thoraco-lumbar sympathetic subsystem of the spinal cord . . . . . . 1--10 D. C. Chapman and R. H. Rand and J. R. Cooks A hydrodynamical model of bordered pits in conifer tracheids . . . . . . . . . . 11--24 V. Sitaramam and N. J. Rao Hierarchical modelling of acclimatory processes . . . . . . . . . . . . . . . 25--47 Emmanuel T. Rakitzis Kinetics of irreversible enzyme inhibition: Co-operative effects . . . . 49--59 J. A. King-Hele and R. W. Paulson On the influence of a leaky tight junction on water and solute transport in epithelia . . . . . . . . . . . . . . 61--84 Nils Aall Barricelli On the origin and evolution of the genetic code I. Wobbling and its potential significance . . . . . . . . . 85--109 Richard Delong and Loyd Poplin On the etiology of aging . . . . . . . . 111--120 William G. Bardsley The reduction in degree of allosteric and other complex rate equations using Sylvester's dialytic method of elimination . . . . . . . . . . . . . . 121--139 W. G. S. Hines Competition with an evolutionary stable strategy . . . . . . . . . . . . . . . . 141--153 M. Espinosa and E. Garcia and J. M. Fernaud Mathematical approach to the stimulation of the competence development in Bacillus subtilis . . . . . . . . . . . 155--174 Béla Somogyi and Lajos Trón and Sándor Damjanovich Physical analysis of the molecular motions during transcription . . . . . . 175--180 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--180 (7 July 1977) . . . . . . . ??
N. B. Grover and C. L. Woldringh and A. Zaritsky and R. F. Rosenberger Elongation of rod-shaped bacteria . . . 181--193 Stephen G. Oliver On the mutability of the yeast mitochondrial genome . . . . . . . . . . 195--201 Ernest L. Madsen Theory for a test of the electric cable model of the myelinated axon and saltatory conduction . . . . . . . . . . 203--212 Michael Conrad Principle of superposition-free memory 213--219 George A. Hay and M. Susan Chesters A model of visual threshold detection 221--240 L. Ferrara and S. Andini and P. A. Temussi Correlation between prebiotic amino acid compositions and contemporary proteins 241--254 C. R. Fletcher Electrical potential differences across salt transporting membranes . . . . . . 255--268 Richard I. Vogel Gingival hyperplasia and folic acid deficiency from anticonvulsive drug therapy A theoretical relationship . . . 269--278 N. Spencer and N. Carter Amino terminal acetylation and the levels of some erythrocyte proteins . . 279--286 S. A. Ostroumov Participation of chloroplasts and mitochondria in virus reproduction and the evolution of the eukaryotic cell . . 287--297 R. Srinivasan and R. Balasubramanian and S. S. Rajan Analysis of protein crystallographic structaral data: II Analysis of $ \theta $ and $ \delta $ parameters on some proteins . . . . . . . . . . . . . . . . 299--312 James D. Williams and John M. Bowen Integral correction of end-plate potentials: A useful alternative to peak amplitude correction . . . . . . . . . . 313--317 E. Brosio and F. Conti and A. Di Nola and A. L. Kovacs A stereochemical model for phospholipids: I. Conformational energy refinement and molecular packing of l-$ \alpha $-Dipalmitoyl lecithin (DPL) . . 319--334 Jake Bello On the free energy of mixing of hydrophobic side chains in protein . . . 335--336 Anonymous Pages 181--336 (21 July 1977) . . . . . ??
Hubert P. Yockey A prescription which predicts functionally equivalent residues at given sites in protein sequences . . . . 337--343 Hubert P. Yockey On the information content of cytochrome c . . . . . . . . . . . . . . . . . . . 345--376 Hubert P. Yockey A calculation of the probability of spontaneous biogenesis by information theory . . . . . . . . . . . . . . . . . 377--398 S. C. Bhargava and R. P. Saxena Stable periodic solutions of the reactive--diffusive Volterra system of equations . . . . . . . . . . . . . . . 399--406 William G. Bardsley Factorability of the allosteric binding polynomial and graphical manifestations of cooperativity in third degree saturation functions . . . . . . . . . . 407--431 Jean-Marc Engasser and Michael Flamm and Csaba Horvath Hormone regulation of cellular metabolism: Interplay of membrane transport and consecutive enzymic reaction . . . . . . . . . . . . . . . . 433--445 Irving Adler An application of the contact pressure model of phyllotaxis to the close packing of spheres around a cylinder in biological fine structure . . . . . . . 447--458 Samarendra Basu A natural source of fluorescence depolarization in dye-DNA complexes . . 459--470 David F. Parkhurst A three-dimensional model for CO 2 uptake by continuously distributed mesophyll in leaves . . . . . . . . . . 471--488 K. Laki and M. Seel and J. Ladik Conformation of triphosphate and lysine-triphosphate-arginine complex . . 489--498 Douglas L. Miles and Daniel W. Miles and Patrick Redington and Henry Eyring A conformational basis for the selective action of ara-adenine . . . . . . . . . 499--514 Gershom Zajicek The intestinal proliferon . . . . . . . 515--521 Otto G. Berg and Clas Blomberg Mass action relations in vivo with application to the Lac operon . . . . . 523--533 Richard G. W. Anderson The biogenesis of cell structures and the expression of assembly information 535--548 N. MacDonald Time lag in a model of a biochemical reaction sequence with end product inhibition . . . . . . . . . . . . . . . 549--556 Huey W. Huang Thermodynamics of allosteric transitions 557--565 Motohisa Oobatake and Tatsuo Ooi An analysis of non-bonded energy of proteins . . . . . . . . . . . . . . . . 567--584 Lemont B. Kier and Thér\`ese Di Paolo and Lowell H. Hall Structure-activity studies on odor molecules using molecular connectivity 585--595 J. Blick Selection for traits which lower individual reproduction . . . . . . . . 597--601 Amotz Zahavi The cost of honesty: Further Remarks on the Handicap Principle . . . . . . . . . 603--605 Anonymous Announcement . . . . . . . . . . . . . . 607--607 Anonymous Pages 337--607 (7 August 1977) . . . . . ??
Leela Krishnan and Engikolai C. Krishnan and William R. Jewell Theoretical treatment of the distribution and degradation of vascular, interstitial and intracellular albumin . . . . . . . . . . . . . . . . 609--623 Richard P. Huemer A theory of diagnosis for orthomolecular medicine . . . . . . . . . . . . . . . . 625--635 L. Bass and A. J. Bracken Time-dependent elimination of substrates flowing through the liver or kidney . . 637--652 Harry W. Fischer Improvement in radiographic contrast media through the development of colloidal or particulate media an analysis . . . . . . . . . . . . . . . . 653--670 N. A. Troitsky and S. E. Dromashko On the question of the recombination frequencies of proximal markers in bacterial conjugation . . . . . . . . . 671--676 Lev R. Ginzburg A macro-equation of natural selection 677--686 Bernard P. Zeigler Persistence and patchiness of predator--prey systems induced by discrete event population exchange mechanisms . . . . . . . . . . . . . . . 687--713 Alan Feduccia Hypothetical stages in the evolution of modern ducks and flamingos . . . . . . . 715--721 D. F. Katz and L. Pedrotti Geotaxis by motile spermatozoa hydrodynamic reorientation . . . . . . . 723--732 H. D. Thames and R. A. White State-vector models of the cell cycle 1. Parametrization and fits to labeled mitoses data . . . . . . . . . . . . . . 733--756 L. Cianchi and M. Mancini and G. Spina and R. Cappelletti On the possibility of deciding between Pauling's and Griffith's models of oxyhemoglobin by means of Mössbauer spectroscopy . . . . . . . . . . . . . . 757--763 L. Cianchi and M. Mancini and G. Spina and R. Cappelletti On the Mössbauer isomer shift in oxyhemoglobin . . . . . . . . . . . . . 765--768 Richard S. Morgan Actin rotates as myosin translates . . . 769--771 L. E. Orgel Gene-duplication and the origin of proteins with novel functions . . . . . 773--773 Anonymous Pages 609--773 (22 August 1977) . . . . ??
James E. Mann and Elizabeth Foley and Nick Sperelakis Resistance and potential profiles in the cleft between two myocardial cells: Electrical analog and computer simulations . . . . . . . . . . . . . . 1--15 Brigitte Schobert Is there an osmotic regulatory mechanism in algae and higher plants? . . . . . . 17--26 M. Kim and Seymour Perry Mathematical methods for determining cell DNA synthesis rate and age distribution utilizing flow microfluorometry . . . . . . . . . . . . 27--42 Birger Jansson and Laszlo Révész Cell ecology: Deductive and dynamic models for proliferation, differentiation and competition of tumor cell populations . . . . . . . . . . . . 43--51 J. P. Lassalles and M. Thellier Discussion on the symmetry of macroscopic coefficients in the formulation of the cellular fluxes: Possible application to a ``symmetry criterion'' for the study of active and passive transports . . . . . . . . . . . 53--63 L. Krishnamurthy Functional properties and organization of grazing lands ecosystem . . . . . . . 65--72 Stuart R. Keller Mechanics of flagellar motion with an application to a conical spiral flagellate . . . . . . . . . . . . . . . 73--94 Hans A. Went Can a reverse transcriptase be involved in centriole duplication? . . . . . . . 95--100 Pushpa M. Bhargava Regulation of cell division and malignant transformation: A new model for control by uptake of nutrients . . . 101--137 Jake Bello Stability of protein conformation: Internal packing and enthalpy of fusion of model compounds . . . . . . . . . . . 139--142 R. M. Nisbet and W. S. C. Gurney and M. A. Pettipher An evaluation of linear models of population fluctuations . . . . . . . . 143--160 Ernst G. Huf and John R. Howell Global Na + diffusion coefficient in a multicompartment frog skin epidermis model . . . . . . . . . . . . . . . . . 161--165 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--165 (7 September 1977) . . . . ??
Narendra S. Goel and Sirajul Islam Error catastrophe in and the evolution of the protein synthesizing machinery 167--182 Hideo Murakami and Sadako Taira and Hiromasa Mori Modes of DNA replication primed with the oligomer of palindrome . . . . . . . . . 183--197 J. A. Burns and H. Kacser Allosteric repression: An Analysis . . . 199--213 Akihiko Yoshida Theoretical approaches to the microphonics . . . . . . . . . . . . . . 215--224 John A. Desimone Perturbations in the sof the double layer at an enzymic surface . . . . . . 225--240 M. N. Sabesan and R. Balasubramanian An energy minimization technique using the least-squares method . . . . . . . . 241--246 M. B. Pyshnov and S. A. Reggirt Deterministic model of steady-state cell proliferation . . . . . . . . . . . . . 247--257 Edward E. Gallaher and Norman J. Blake On equivalent forms of Whittaker's similarity index . . . . . . . . . . . . 259--265 G. Rickey Welch On the free energy ``cost of transition'' in intermediary Metabolic processes and the evolution of cellular infrastructure . . . . . . . . . . . . . 267--291 John R. Clarke Fluidity-induced changes in diffusion through membranes: a predictive model 293--298 Paul B. Green and Keith Bauer Analysing the changing cell cycle . . . 299--315 R. F. Costantino and L. R. Ginzburg and A. M. Moffa An experimental check of fitness entropy vs. selective delay . . . . . . . . . . 317--320 Anonymous Pages 167--320 (21 September 1977) . . . ??
Gunnar Von Heijne and Lennart Nilsson and Clas Blomberg Translation and messenger RNA secondary structure . . . . . . . . . . . . . . . 321--329 G. S. Ladde Competitive processes II. Stability of random systems . . . . . . . . . . . . . 331--354 R. D. Macdonald and T. Yamamoto and P. Fedorak Statistical prediction of the number of cells surviving infection by an autointerfering virus using the Poisson distribution . . . . . . . . . . . . . . 355--363 Jean-Pierre Mazat and Joél Langla and Françoise Mazat Double-site enzymes and squatting A study of the regulation by one or several ligands binding at two different classes of site . . . . . . . . . . . . 365--383 A. N. Chatteriee and R. J. Doyle and U. N. Streips A proposed functional role for bacterial N-acetylmuramyl-l-alanine amidases . . . 385--390 Stanley Ainsworth A simple model for a regulatory enzyme 391--413 S. V. Ho and M. L. Shuler Predictions of cellular growth patterns by a feedback model . . . . . . . . . . 415--435 Jean E. Morel and Marcel P. Gingold On a simple way to verify the experimental agreement of any two-state mathematical model of muscle contraction 437--447 E. Koppenhöfer and A. Ode and Chr. Rimmel and M. Schramm and \ldots H. Schumann Isolated Nitella protoplasm is not excitable . . . . . . . . . . . . . . . 449--451 Yonosuke Kobatake On the excitability of naked protoplasmic droplets of Nitella . . . . 453--455 J. Wynne McCoy Complexity in organic evolution . . . . 457--458 Anonymous Pages 321--458 (7 October 1977) . . . . ??
Kazuhisa Tomita and Akira Ito and Takao Ohta Simplified model for Belousov-Zhabotinsky reaction . . . . . 459--481 P. K. Ponnuswamy and M. Lakshmanant A non-linear model for the synaptic basis of neuronal memory . . . . . . . . 483--489 George W. Ordaq and Russell B. Fields A biochemical mechanism for bacterial chemotaxis . . . . . . . . . . . . . . . 491--500 Y. Matsudaira and K. Hieda and T. Yamasaki On two models for the frequency distribution of lethals in \bionameDrosophila observed in $ F_3 $ s derived from a single $ F_1 $ gonadal mosaic female, and the transmissibility 501--513 Jerzy W. Jurka On replication of nucleic acids in relation to the evolution of the genetic code and of proteins . . . . . . . . . . 515--520 B. I. Kurganov The theoretical analysis of kinetic behaviour of ``Hysteretic'' allosteric enzymes: IV. Kinetics of dissociation-association processes of allosteric enzymes . . . . . . . . . . . 521--543 Lev R. Ginzburg The equilibrium and stability for $n$ alleles under the density-dependent selection . . . . . . . . . . . . . . . 545--550 Agnessa Babloyantz Self-organization phenomena resulting from cell-cell contact . . . . . . . . . 551--561 J. S. Nicolis and E. N. Protonotarios and I. Voulodemou Control Markov chain models for biological hierarchies . . . . . . . . . 563--581 D. W. Roberts A contact pressure model for semi-decussate and related phyllotaxis 583--597 H. T. A. Jaspers and J. van Steveninck Pulse-labeling experiments in transmembrane transport studies . . . . 599--605 J. I. Sungchul A possible molecular mechanism of free energy transfer in oxidative phosphorylation . . . . . . . . . . . . 607--612 Anonymous Pages 459--612 (21 October 1977) . . . . ??
Anonymous Erratum . . . . . . . . . . . . . . . . i--i Karl W. Lanks A prediction of mRNA hybridization kinetics based on polypeptide abundances 1--9 C. Wissel On the advantage of the specialization of flowers on particular pollinator species . . . . . . . . . . . . . . . . 11--22 B. F. Dibrov and M. A. Livshits and M. V. Volkenstein Mathematical model of immune processes: II. Kinetic features of antigen-Antibody interrelations . . . . . . . . . . . . . 23--39 L. Stan Leung and Walter J. Freeman The spatial temporal response of the \bionameLimulus eye neural set . . . . . 41--56 Marcus S. Cohen The cyclic AMP control system in the development of \bionameDictyostelium discoideum: I. Cellular dynamics . . . . 57--85 J. Lubliner and J. J. Blum Analysis of bend initiation in cilia according to a sliding filament model 87--99 E. Szabadi A model of two functionally antagonistic receptor populations activated by the same agonist . . . . . . . . . . . . . . 101--112 Michael J. Delwiche and J. Robert Cooke An analytical model of the hydraulic aspects of stomatal dynamics . . . . . . 113--141 Fred Brauer Periodic solutions of some ecological models . . . . . . . . . . . . . . . . . 143--152 N. MacDonald A polar co-ordinate system for positional information in the vertebrate neural retina . . . . . . . . . . . . . 153--165 B. F. Gray and I. Gonda The sliding filament model of muscle contraction: I. Quantum mechanical formalism . . . . . . . . . . . . . . . 167--185 B. F. Gray and I. Gonda The sliding filament model of muscle contraction: II. The energetic and dynamical predictions of a quantum mechanical transducer model . . . . . . 187--230 Yoshiya Shinagawa Evidence for a new concept of Donnan potential in the stationary state . . . 231--234 P. T. Saunders and M. W. Ho In defense of complexity . . . . . . . . 235--237 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--237 (7 November 1977) . . . . . ??
R. R. Dogonadze and A. M. Kuznetsov and J. Ulstrup Conformational dynamics in biological electron and atom transfer reactions . . 239--263 Alexander Gero and Ronald J. Tallarida Use of the biological stimulus in determining parameters of drug action, and its relationship to the drug effect A contribution to the theory of drug action . . . . . . . . . . . . . . . . . 265--274 Geoffrey D. Smith Active site-directed and allosteric effectors of regulatory enzymes: The activation of aspartate transcarbamylase by substrate and transition state analogues . . . . . . . . . . . . . . . 275--285 Matthew H. Hulbert and Steven Krawiec Cometabolism: A critique . . . . . . . . 287--291 Donald L. Perkins and Stanley E. Babb A thermodynamic model of ameboid locomotion based on the push-pull nature of gel-to-sol interconversions . . . . . 293--299 Michll Denis and Richard Deyrieux Is multicomponent spectra analysis coming to a deadlock? . . . . . . . . . 301--309 W. R. Lieb and W. D. Stein Is there a high affinity site for sugar transport at the inner face of the human red cell membrane? . . . . . . . . . . . 311--319 Robert J. Mulholland and Carolyne M. Gowdy Theory and application of the measurement of structure and determination of function for laboratory ecosystems . . . . . . . . . . . . . . . 321--344 Stephen H. Levine Exploitation interactions and the structure of ecoystems . . . . . . . . . 345--355 B. S. Niven A mathematical model for animal ecology with special reference to the ecology of the Tribolium beetle . . . . . . . . . . 357--369 Harris Bernstein Germ line recombination may be primarily a manifestation of DNA repair processes 371--380 N. H. Georgopapadakou and A. I. Scott On B$_{12}$ biosynthesis and evolution 381--384 T. J. Sejnowski Statistical constraints on synaptic plasticity . . . . . . . . . . . . . . . 385--389 Anonymous Pages 239--389 (21 November 1977) . . . ??
A. M. Uttley Methods of simulating the behaviour of granule cells in hippocampus based on informon theory . . . . . . . . . . . . 391--399 A. M. Uttley Similarity of behaviour of granule cells in hippocampus to that predicted by informon theory . . . . . . . . . . . . 401--413 K. Kometani and H. Shimizu On the molecular dynamics of the chemo-mechanical conversion in muscle contraction . . . . . . . . . . . . . . 415--428 V. De Maertelaer and P. Galand Cell kinetics: A model of stimulated populations . . . . . . . . . . . . . . 429--445 Lloyd Demetrius Trophic structure and species diversity 447--455 Peter Jones and H. Brian Dunford On the mechanism of compound I formation from peroxidases and catalases . . . . . 457--470 D. C. Mikulecky and W. A. Wiegand and J. S. Shiner A simple network thermodynamic method for modeling series-parallel coupled flows I. The linear case . . . . . . . . 471--510 Donald C. Mikulecky A simple network thermodynamic method for series-parallel coupled flows II. The non-linear theory, with applications to coupled solute and volume flow in a series membrane . . . . . . . . . . . . 511--541 David G. Lloyd Genetic and phenotypic models of natural selection . . . . . . . . . . . . . . . 543--560 R. J. Beckman and M. S. Waterman On the random distribution of nucleoli in metabolic cells . . . . . . . . . . . 561--562 Anonymous Pages 391--562 (7 December 1977) . . . . ??
L. V. Reshodko and Z. Drska Biological systems of cellular organization and their computer models 563--566, IN1--IN2, 567--569, IN4, 570--579 Richard Yu The active form of phytochrome: A new hypothesis based on phytochrome pelletability studies . . . . . . . . . 581--595 David W. Rooney and Joseph P. Costello Set-back model of division-synchronization: Optimal spacing of thermal shocks that accelerate cell cycling . . . . . . . . 597--611 Koichi Fujii Complexity-stability relationship of two-prey-one-predator species system model: Local and global stability . . . 613--623 D. J. Howell and Joe Pylka Why bats hang upside down: a biomechanical hypothesis . . . . . . . . 625--630, IN5, 631 Lilia Alberghina Dynamics of the cell cycle in mammalian cells . . . . . . . . . . . . . . . . . 633--643 H. Bremer and G. Churchward An examination of the Cooper-Helmstetter theory of DNA replication in bacteria and its underlying assumptions . . . . . 645--654 Eric L. Schwartz The development of specific visual connections in the monkey and the goldfish: Outline of a geometric theory of receptotopic structure . . . . . . . 655--664, IN7, 665--683 John Visvader A note on Apter machines . . . . . . . . 685--692 Tamië Yamaguchi and Nagata Chikayoshi Molecular orbital study on the effect of the binding of water to base pair . . . 693--707 J. R. Medina and E. Cerdá-Olmedo A quantitative model of Phycomyces phototropism . . . . . . . . . . . . . . 709--719 M. J. Pearson and D. I. McLaren A criticism of catastrophe modelling of the differentiative process in amphibian development . . . . . . . . . . . . . . 721--734 M. Maden The regeneration of positional information in the amphibian limb . . . 735--753 E. Broda Free will and evolution (comments on Young's article) . . . . . . . . . . . . 755--760 David R. Rigney and William C. Schieve Stochastic model of linear, continuous protein synthesis in bacterial populations . . . . . . . . . . . . . . 761--766 Arthur M. Lesk An encoding technique to facilitate the detection of homologies in biopolymer sequences . . . . . . . . . . . . . . . 767--769 Anonymous Pages 563--769 (21 December 1977) . . . ??
Anonymous Erratum . . . . . . . . . . . . . . . . i--i Hiroshi Hoshikawa and Nobuhiko Saitô On the chemical reactions for chemotaxis in bacteria . . . . . . . . . . . . . . 1--15 M. Shahinpoor The role of parametric self-excitation in DNA self-replication . . . . . . . . 17--22 Koichiro Matsuno Evolution of dissipative system: A theoretical basis of Margalef's principle on ecosystem . . . . . . . . . 23--31 Igor E. Mikhaltsev On the physics of CNS memory . . . . . . 33--49 R. R. Laxton The measure of diversity . . . . . . . . 51--67 V. I. Poltev and V. I. Bruskov On molecular mechanisms of nucleic acid synthesis fidelity aspects 1. Contribution of base interactions . . . 69--83 D. T. Bishop and C. Cannings A generalized war of attrition . . . . . 85--124 H. P. Greenspan On fluid-mechanical simulations of cell division and movement . . . . . . . . . 125--128, IN1--IN2, 129--130, IN3, 131--134 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--134 (7 January 1978) . . . . . ??
William G. Bardsley and Roy D. Waight The determination of positive and negative co-operativity with allosteric enzymes and the interpretation of sigmoid curves and non-linear double reciprocal plots for the MWC and KNF models . . . . . . . . . . . . . . . . . 135--156 Paul A. Westhaus and Herbert A. Pohl Hydrogen bonds and masking in the sulfhydryl group in proteins . . . . . . 157--160, IN2, 161--169 Gregory G. Doyle A general theory of chromosome pairing based on the palindromic DNA model of Sobell with modifications and amplifications . . . . . . . . . . . . . 171--184 Dankert W. Skagen and Lars Mòrkrid An approach to the theory of quantitative and double label autoradiography . . . . . . . . . . . . 185--197 Sandra Hasstedt A stochastic model for a closed biochemical system at equilibrium . . . 199--212 Montgomery Slatkin Spatial patterns in the distributions of polygenic characters . . . . . . . . . . 213--228 I. Lundström and M. Stenberg Electrostatic interaction between gating charges in nerve membranes . . . . . . . 229--244 Ilan Eshel On the handicap principle --- a critical defence . . . . . . . . . . . . . . . . 245--250 J. Maynard Smith The handicap principle --- a comment . . 251--252 Anonymous Pages 135--252 (20 January 1978) . . . . ??
Hirotami T. Imai and Takeo Maruyama Karyotype evolution by pericentric inversion as a stochastic process . . . 253--261 Mumay Tansky Switching effect in prey-predator system 263--271 T. C. Lacalli and L. G. Harrison The regulatory capacity of Turing's model for morphogenesis, with application to slime moulds . . . . . . 273--295 Serge Daan and Charles Berde Two coupled oscillators: Simulations of the circadian pacemaker in mammalian activity rhythms . . . . . . . . . . . . 297--313 Julian S. Shindler and Keith F. Tipton A quantitative plot for the determination of negatively co-operative ligand binding sites in proteins . . . . 315--321 Paul A. W. Edwards A sequence-independent, four-stranded, double Watson-Crick DNA helix that could solve the unwinding problem of double helices . . . . . . . . . . . . . . . . 323--334 J. Lawrence Fox A model for transhydrogenase . . . . . . 335--337 Anonymous Pages 253--337 (6 February 1978) . . . . ??
Bernard Testa and Jean-Claude Bünzli and William P. Purcell Regioelectronic factors in metabolic hydroxylation of aliphatic carbon atoms 339--344 Pierre R. Blanquet Unifying heuristic model of transmembrane co-ordinate control for cell growth and cell movement . . . . . 345--399 Rolf Heller Two predator--prey difference equations considering delayed population growth and starvation . . . . . . . . . . . . . 401--413 Niels Nyholm Dynamics of phosphate limited algal growth: Simulation of phosphate shocks 415--425 T. J. Pedley and J. Fischbarg The development of osmotic flow through an unstirred layer . . . . . . . . . . . 427--447 Mark R. Macnair An ESS for the sex ratio in animals, with particular reference to the social hymenoptera . . . . . . . . . . . . . . 449--459 Emmanuel T. Rakitzis Kinetics of irreversible enzyme inhibition: The tsou plot in irreversible binding co-operativity . . 461--465 John B. Walsh and Henry C. Tuckweli Repetitive subthreshold synaptic excitation and transmitter depletion . . 467--469 Anonymous Pages 339--469 (20 February 1978) . . . ??
Robert B. Spertell On the decay of lateral phase separations in biological membranes . . 1--9 W. Meiske and M. Glende and G. Nürnberg and J. G. Reich On the influence of rapid periodic parameter oscillations on the long-time behaviour of cell metabolism . . . . . . 11--19 Alex Mazanov Acceptor control in model ecosystems . . 21--38 Wim van Drongelen and Andre Holley and Kjell B. Dòving Convergence in the olfactory system: quantitative aspects of odour sensitivity . . . . . . . . . . . . . . 39--48 O. Tapia and F. Sussman and E. Poulain Environmental effects on H-bond potentials: A SCRF MO CNDO/2 study of some model systems . . . . . . . . . . . 49--72 K. J. Wilson and D. L. Kilgore The effects of location and design on the diffusion of respiratory gases in mammal burrows . . . . . . . . . . . . . 73--101 Narendra S. Goel and Gary Rogers Computer simulation of engulfment and other movements of embryonic tissues . . 103--140 Gary Rogers and Narendra S. Goel Computer simulation of cellular movements: Cell-sorting, cellular migration through a mass of cells and contact inhibition . . . . . . . . . . . 141--166 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--166 (7 March 1978) . . . . . . ??
Henry C. Tuckwell and Wolfgang Richter Neuronal interspike time distributions and the estimation of neurophysiological and neuroanatomical parameters . . . . . 167--183 Hanna Parnas and Lee A. Segel A computer simulation of pulsatile aggregation in \bionameDictyostelium discoideum . . . . . . . . . . . . . . . 185--207 T. M. Wu and Steven Austin Bose--Einstein condensation in biological systems . . . . . . . . . . . 209--214 H. W. Schaup A paradigm for ribosome fidelity modulation in protein synthesis . . . . 215--224 R. L. Levin and E. G. Cravalho and C. E. Huggins The concentration polarization effect in a multicomponent electrolyte solution --- the human erythrocyte . . . . . . . 225--254 D. L. S. McElwain A re-examination of oxygen diffusion in a spherical cell with Michaelis--Menten oxygen uptake kinetics . . . . . . . . . 255--263 Gerald A. Rosenthal Is canavanine a natural component of mammalian metabolism? . . . . . . . . . 265--273 J. Duchesne and F. Mosora and M. Rinné and A. Dresse The effect of heavy water on the organic free radical content in rat liver and kidney: Consequences for senescence and cancer . . . . . . . . . . . . . . . . . 275--278 Anonymous Pages 167--278 (20 March 1978) . . . . . ??
Yukio Suezaki Statistical mechanical analysis of interfacial tension of black lipid membrane . . . . . . . . . . . . . . . . 279--294 Therese Dipaolo and Lowell H. Hall and Lemont B. Kier Structure-activity studies on hallucinogenic amphetamines using model interaction calculations . . . . . . . . 295--309 A. Gradisek and M. Kordas and S. Svetina A mathematical analysis of factors determining the time-course of membrane conductance change evoked by electrophoretic drug application . . . . 311--322 Richard K. Carlin The poly(A) segment of mRNA: (1) Evolution and function and (2) the evolution of viruses . . . . . . . . . . 323--338 Michael A. Resnick Similar responses to ionizing radiation of fungal and vertebrate cells and the importance of DNA double-strand breaks 339--346 I. Noy-Meir Stability in simple grazing models: Effects of explicit functions . . . . . 347--380 Jack C. Norman and Paul E. Sager Modelling phosphorus transfer rates in lake water . . . . . . . . . . . . . . . 381--385 Clifford V. Nelson The effects of heart-cavity blood resistivity and volume on endocardial potentials: theoretical predictions . . 387--399 Brian Hassard Bifurcation of periodic solutions of the Hodgkin--Huxley model for the squid giant axon . . . . . . . . . . . . . . . 401--420 David A. Young On the diffusion theory of phyllotaxis 421--432 Brian Cragg and Elspeth McLachlan A mechanism for the observed recovery from ineffectiveness of synapses in the central nervous system . . . . . . . . . 433--440 M. D. Hendy and David Penny and L. R. Foulds Identification of phylogenetic trees of minimal length . . . . . . . . . . . . . 441--452 A. Leith Detection of limited life span in small clones . . . . . . . . . . . . . . . . . 453--464 Fred C. Westall Possible change of a recognition mechanism for determining encephalitogenicity . . . . . . . . . . 465--468 Carlos Castrodeza Evolution, complexity, and fitness . . . 469--471 Michael H. Brill A device performing illuminant-invariant assessment of chromatic relations . . . 473--478 Anonymous Pages 279--478 (6 April 1978) . . . . . ??
Arnold Trehub Neuronal model for stereoscopic vision 479--484, IN1--IN2, 485--486 Duane L. Rohlfing and Mary A. Saunders Evolutionary processes possibly limiting the kinds of amino acids in protein to twenty: A review . . . . . . . . . . . . 487--503 J. F. Perez and C. P. Malta and F. A. B. Coutinho Qualitative analysis of oscillations in isolated populations of flies . . . . . 505--514 James S. Beck Echinocyte formation: A test case for mechanisms of cell shape changes . . . . 515--524 D. J. Gates Bimodality in even-aged plant monocultures . . . . . . . . . . . . . . 525--540 Fritz Taylor Foraging behavior of ants: Theoretical considerations . . . . . . . . . . . . . 541--565 Hiromasa Kijima and Shôko Kijima Co-operative response of chemically excitable membrane: I. Formulation: Unified theory of co-operativity . . . . 567--585 Otto G. Berg A model for the statistical fluctuations of protein numbers in a microbial population . . . . . . . . . . . . . . . 587--603 C. I. J. M. Stuart and Y. Takahashi and H. Umezawa On the stability and non-local properties of memory . . . . . . . . . . 605--618 Hirotami T. Imai On the origin of telocentric chromosomes in mammals . . . . . . . . . . . . . . . 619--637 Roger V. Jean Growth and entropy: Phylogenism in phyllotaxis . . . . . . . . . . . . . . 639--660 David W. L. Hukins Bone stiffness explained by the liquid crystal model for the collagen fibril 661--667 Anonymous Satellite Program in Statistical Ecolog 669--669 Anonymous Pages 479--667 (20 April 1978) . . . . . ??
Paul C. Engel The detection of amino acid sequence homology: A new scoring method based on the genetic code with allowance for redundancy . . . . . . . . . . . . . . . 1--8 A. Keith Dunker and D. A. Marvin A model for membrane transport through $ \alpha $-helical protein pores . . . . . 9--16 Terrell L. Hill and Britton Chance Steady-state kinetics of models of respiratory chain enzymes with isopotential pools and conformational site enzymes . . . . . . . . . . . . . . 17--56 David J. Galas On the symmetries of multi-palindromic DNA sequences . . . . . . . . . . . . . 57--73 E. Boncinelli A model of post-transcriptional control in eukaryotic cells . . . . . . . . . . 75--79 J. Gani and I. Saunders Nuclear aggregation: Modelling and simulation . . . . . . . . . . . . . . . 81--90 T. Markvart Exciton transport in the photosynthetic unit . . . . . . . . . . . . . . . . . . 91--116 T. Markvart Infinite model of connected photosynthetic units . . . . . . . . . . 117--130 Phillip G. Sokolove and Wayne N. Bushell The chi square periodogram: Its utility for analysis of circadian rhythms . . . 131--160 L. Bass and P. Robinson and A. J. Bracken Hepatic elimination of flowing substrates: The distributed model . . . 161--184 P. Yodzis Environmental randomness and the tenacity of equilibria . . . . . . . . . 185--189 Jeffrey S. Wicken Information transformations in molecular evolution . . . . . . . . . . . . . . . 191--204 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--204 (8 May 1978) . . . . . . . ??
E. M. Hearne and J. W. Drane and A. Pierce and G. Harris and W. G. Johanson A model for bacterial activity in the lung . . . . . . . . . . . . . . . . . . 205--218 Richard H. Matthews and James O. Alben Fitting kinetic data for two independent saturable terms by Multifit II, a general purpose curve fitting program in FORTRAN IV . . . . . . . . . . . . . . . 219--230 Marcus S. Cohen The cyclic AMP control system in the development of dictyostelium discoideum II. An allosteric model . . . . . . . . 231--255 H. Toivonen and T. Rytömaa Monte Carlo simulation of malignant growth. Examples of the behavior of chloroleukemia after specific perturbations . . . . . . . . . . . . . 257--267 P. Van Ham and I. Lasters Reduction methods for logical control networks . . . . . . . . . . . . . . . . 269--281 YoichirO Anan and Nobuhiro Go Behavior of chemical reaction catalyzed by allosteric enzyme: Threshold phenomena and discontinuous transition to oscillatory state . . . . . . . . . . 283--296 Brian Charlesworth Some models of the evolution of altruistic behaviour between siblings 297--319 William G. Bardsley and Roy D. Waight Factorability of the Hessian of the binding polynomial. The central issues concerning statistical ratios between binding constants, hill plot slope and positive and negative co-operativity . . 321--372 William G. Bardsley and Jeffries Wyman Concerning the thermodynamic definition and graphical manifestations of positive and negative co-operativity . . . . . . 373--376 Anonymous Pages 205--376 (22 May 1978) . . . . . . ??
Mary B. Williams Sexual selection, adaptation, and ornamental traits: The advantage of seeming fitter . . . . . . . . . . . . . 377--383 Harry K. MacWilliams and Spyros Papageorgiou A model of gradient interpretation based on morphogen binding . . . . . . . . . . 385--406, IN2, 407--411 W. G. S. Hines Mutations and stable strategies . . . . 413--428 Gerald D. Elseth and George Juetersonke and Mary Ann Bierman and Lawrence P. Karcher and Kandy D. Baumgardner A kinetic model for bacterial transfection: The lambda DNA system . . 429--441 Martynas Ycas and Narendra S. Goel and Jacob W. Jacobsen On the computation of the tertiary structure of globular proteins . . . . . 443--457 U. N. Singh Adaptation in micro-organisms II: Transient behaviour following shift-up and shift-down . . . . . . . . . . . . . 459--474 Pablo Mulás and Donald A. McQuarrie Effect of surface charge density on the kinetics of transmembrane lipid migration in asymmetric bilayers . . . . 475--486 Robert B. Stein and J. J. Blum On the analysis of futile cycles in metabolism . . . . . . . . . . . . . . . 487--522 Hisao Honda Description of cellular patterns by Dirichlet domains: The two-dimensional case . . . . . . . . . . . . . . . . . . 523--530, IN4, 531--543 Lyndsay G. M. Gordon The electrical resistance of epithelia in the presence of osmotic and hydrostatic pressure gradients . . . . . 545--550 Roger Pitt Warfare and hominid brain evolution . . 551--575 Manabu Seno and Kazutoshi Iwamoto and Kiyoshi Sawada Instability and oscillatory behavior of membrane-chemical reaction systems . . . 577--588 Anonymous Pages 377--588 (6 June 1978) . . . . . . ??
R. Rosin The honey bee ``language'' controversy 589--602 Yoshiya Shinagawa Analytical solution of the Poisson--Boltzmann equation for membrane potential . . . . . . . . . . . . . . . 603--610 Yoh Iwasa Optimal death strategy of animal populations . . . . . . . . . . . . . . 611--626 Richard G. Absher and P. Marlene Absher Mathematical models and computer simulations of proliferation of human diploid fibroblast clones . . . . . . . 627--638 Stephen L. Buchmann and James P. Hurley A biophysical model for buzz pollination in angiosperms . . . . . . . . . . . . . 639--657 Richard A. Krasnow Mass, length and growth rate in single cells . . . . . . . . . . . . . . . . . 659--699 Frank A. Benford Fisher's theory of the sex ratio applied to the social hymenoptera . . . . . . . 701--727 Matthew B. Wolf and Edward C. Deland The association between K$^+$ and H$^+$ distribution in skeletal muscle: Implication to linked transport . . . . 729--741 David R. Woodward Is the ``Difference index'' useful for assessment of protein relatedness? . . . 743--749 C. Giessner-Prettre and B. Pullman An Ab Initio reinvestigation of PC and PH coupling constants in phosphates . . 751--756 Jean-Robert Derome On the relationship between metabolism and body mass . . . . . . . . . . . . . 757--759 Anonymous Pages 589--759 (20 June 1978) . . . . . ??
Julian S. Shindler and Keith F. Tipton Erratum . . . . . . . . . . . . . . . . i--i G. A. Parker Selection on non-random fusion of gametes during the evolution of anisogamy . . . . . . . . . . . . . . . 1--28 V. N. Kharkyanen and E. G. Petrov and I. I. Ukrainskii Donor-Acceptor model of electron transfer through proteins . . . . . . . 29--50 T. P. Stein Cachexia, gluconeogenesis and progressive weight loss in cancer patients . . . . . . . . . . . . . . . . 51--59 Robert M. Fagen Information measures: Statistical confidence limits and inference . . . . 61--79 A. J. Hulbert The thyroid hormones A thesis concerning their action . . . . . . . . . . . . . . 81--100 Stephen Grossberg Decisions, patterns, and oscillations in nonlinear competitive systems with applications to Volterra--Lotka systems 101--130 A. Jung and P. Bartholdi and B. Mermillod and J. Reeve and R. Neer Critical analysis of methods for analysing human calcium kinetics . . . . 131--157 Patrick Lestienne The specificity of aminoacylation: a tRNA-tRNA interaction model . . . . . . 159--180 L. Edelstein and R. Rosen Enzyme-substrate recognition . . . . . . 181--204 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--204 (6 July 1978) . . . . . . . ??
P. Argyrakis and R. Kopelman Exciton percolation III. Stochastic and coherent migration in binary and ternary random lattices . . . . . . . . . . . . 205--236 P. Nicholls and Judith M. Martin and J. Kahn A mathematical model predicting chromosome loss in cultured cells of young adults . . . . . . . . . . . . . . 237--245 Graham Bell The evolution of anisogamy . . . . . . . 247--270 P. Thibault A new attempt to study the oxygen evolving system of photosynthesis: Determination of transition probabilities of a state $i$ . . . . . . 271--284 Kenneth R. Courtney Extended moment analysis for binomial parameters of transmitter release . . . 285--292 James W. Haefner Ecosystem assembly grammars: Generative capacity and empirical adequacy . . . . 293--318 I. Richard Lapidus Time periods of morphological stages in populations of differentiating micro-organisms . . . . . . . . . . . . 319--327 D. J. Cutler On the definition of the compartment concept in pharmacokinetics . . . . . . 329--345 Brian Charlesworth The population genetics of anisogamy . . 347--357 J. Coste and J. Peyraud and P. Coullet Does complexity favor the existence perpersistent ecosystems? . . . . . . . 359--362 David F. Hastings and John Gutknecht Potassium and turgor pressure in plants 363--366 Anonymous Pages 205--366 (20 July 1978) . . . . . ??
A. H. Bretag and C. A. Hurst and D. I. B. Kerr Potassium conductance models related to an interactive subunit membrane II: Monte Carlo analysis and subunit migration . . . . . . . . . . . . . . . 367--382 E. A. Marshall and D. W. Windle Ion transfer during electrolyte osmosis through a charged porous membrane . . . 383--415 R. P. Garay and R. Lefever A kinetic approach to the immunology of cancer: Stationary states properties of efffector-target cell reactions . . . . 417--438 B. O. Bengtsson Avoiding inbreeding: at what cost? . . . 439--444 Jean E. Morel Force-velocity relationship in single muscle fibres . . . . . . . . . . . . . 445--451 G. M. Roomans and G. W. F. H. Borst-Pauwels Co-transport of anions and neutral solutes with cations across charged biological membranes. Effects of surrface potential on uptake kinetics 453--468 Andrew Wohlgemuth Abstract immunogenetic systems . . . . . 469--508 J. B. L. Bard A quantitative model of liver regeneration in the rat . . . . . . . . 509--530 H. J. Smith Perspectives in the design of small molecule enzyme inhibitors as useful drugs . . . . . . . . . . . . . . . . . 531--538 Charles A. Eldridge and Harold J. Morowitz A hydrodynamic theory of ion conductance through Ohmic pores . . . . . . . . . . 539--548 J. A. M. Van Druten and P. G. M. Peer and A. B. H. Bos and W. W. De Jong Reciprocal amino acid substitutions in the evolution of homologous peptides . . 549--561 Carlos A. Leguizamón and Elma A. A. Tenreyro and Victorio Pecorini Coronary flow. Method of returning coronary bolus . . . . . . . . . . . . . 563--574 Anonymous Pages 367--574 (8 August 1978) . . . . . ??
Marvin A. Friedman and Walter H. Carter and Jack Staub and Anthony Segreti Relative mutagenic potencies determined in the micronucleus test . . . . . . . . 575--584 D. S. Chernavskii and Th. W. Ruijgrok Dissipative structures in morphogenetic models of the Turing type . . . . . . . 585--607 P. K. Ghosh and D. Sengupta A model for the temperature dependence of membrane excitability . . . . . . . . 609--614 M. I. Lerman The biological essence of resting cells in cell populations . . . . . . . . . . 615--629 R. Thomas Logical analysis of systems comprising feedback loops . . . . . . . . . . . . . 631--656 E. Van Cauter and J. E. Dumont Cross inhibition models for the transmission of hormonal signals . . . . 657--677 M. J. Orlove and Constance L. Wood Coefficients of relationship and coefficients of relatedness in kin selection: A covariance form for the RHO formula . . . . . . . . . . . . . . . . 679--686 William E. Cooper Home range criteria based on temporal stability of areal occupation . . . . . 687--695 D. C. Mikulecky and S. R. Thomas A simple network thermodynamic method for series-parallel coupled flows III. Application to coupled solute and volume flows through epithelial membranes . . . 697--710 R. F. Rosenberger and N. B. Grover and A. Zaritsky and C. L. Woldringh Surface growth in rod-shaped bacteria 711--721 J. Tyson and W. Sachsenmaier Is nuclear division in \bionamePhysarum controlled by a continuous limit cycle oscillator? . . . . . . . . . . . . . . 723--738 Yukiko Tagami A perm-selective model membrane exhibiting oscillatory behavior . . . . 739--754 James R. Milch The dynamical stability of isometrically contracting muscle and its relation to transient force response . . . . . . . . 755--767 David Layzer A macroscopic approach to population genetics . . . . . . . . . . . . . . . . 769--788 M. S. Waterman and T. F. Smith On the similarity of dendrograms . . . . 789--800 Anonymous Pages 575--800 (21 August 1978) . . . . ??
A. K. Chandra and B. S. Sudhindra and M. Vijayan and T. Ramasarma A theory on the migration of an extraneous electron across hydrogen bonds in polypeptides . . . . . . . . . 1--9 Julio Marañon and Oscar M. Sorarrain and Horacio Grinberg and Samuel Lamdan and Carlos H. Gaozza Semiempirical CNDO/2 calculation of the electronic structure of the DNA molecule I. Ground state potential curves; Tunneling and tautomeric equilibrium in the N\singlebond H\dottedbond N and O\dottedbond H\singlebond N bonds of the adenine--thymine base pair . . . . . . . 11--22 Matthew Witten Fitness and survival in logistic models 23--32 J. R. Blake On the hydrodynamics of plasmodesmata 33--47 R. Allen White The use of population projection matrices in cell kinetics . . . . . . . 49--67 Hans Bremer and Gordon Churchward Age fractionation in bacteria by membrane elution: Relation between age distribution and elution profile . . . . 69--81 Donald W. Sparling and John D. Williams Multivariate analysis of avian vocalizations . . . . . . . . . . . . . 83--107 T. C. Lacalli and L. G. Harrison Development of ordered arrays of cell wall pores in desmids: a nucleation model . . . . . . . . . . . . . . . . . 109--138 Alan S. Paau A possible mechanism for the establishment of nitrogen fixation in bacteroids of fast-growing, acid-producing Rhizobium . . . . . . . . 139--142 Tomohiro Manabe Time average in chemical reaction and its application to the biological system 143--148 Hubert P. Yockey Can the central dogma be derived from information theory? . . . . . . . . . . 149--152 Judith E. Miller A proposal for the genetic manipulation of plant metabolism . . . . . . . . . . 153--154 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--154 (20 September 1978) . . . . ??
Athel Cornish-Bowden Interpretation of the difference index as a guide to protein sequence identity 155--161 Athel Cornish-Bowden and William R. Porter and William F. Trager Evaluation of distribution-free confidence limits for enzyme kinetic parameters . . . . . . . . . . . . . . . 163--175 R. Rajaraman and J. M. Macsween and R. A. Fox Models of normal and transformed cell adhesion, and capping and locomotion in vitro . . . . . . . . . . . . . . . . . 177--201 R. Figueroa and A. Sepúlveda and M. A. Soto and J. Tohá Informational analysis of MS$_2$ and $ \theta $X174 virus genomes . . . . . . . 203--207 Béla Somogyi and Frank E. Karasz and Lajos Trón and Peter R. Couchma The effect of viscosity on the apparent decomposition rate on enzyme-ligand complexes . . . . . . . . . . . . . . . 209--216 David W. Roberts The origin of Fibonacci phyllotaxis --- an analysis of Adler's contact pressure model and Mitchison's expanding apex model . . . . . . . . . . . . . . . . . 217--233 D. R. P. Hettiaratchi and J. R. O'Callaghan Structural mechanics of plant cells . . 235--257 Fernando Ribas Prado and Claude Giessner-Prettre and Bernard Pullman On the conformational dependence of the proton chemical shifts in nucleosides and nucleotides III. Proton chemical shifts of 5'-nucleotides as a function of different conformational parameters 259--277 W. Goon Water relations in the malonamide-induced haemolysis of mammalian erythrocytes . . . . . . . . . 279--296 J. A. Hewitt Diffusion gradients, membrane receptors, and the acquisition of orientational information by cells . . . . . . . . . . 297--306 Hans Meinhardt Space-dependent cell determination under the control of a morphogen gradient . . 307--321 H. T. Banks and J. M. Mahaffy Stability of cyclic gene models for systems involving repression . . . . . . 323--334 Anonymous Pages 155--334 (21 September 1978) . . . ??
Anonymous News release creation of the Latin American Society of biomathematics . . . 335--335 P. Hanggi Stochastic theory for the kinetics of migration of ligands in biomolecules . . 337--359 W. S. Bont The diameters of membrane vesicles fit in geometric series . . . . . . . . . . 361--375 D. T. Bishop and C. Cannings and J. Maynard Smith The war of attrition with random rewards 377--388 P. Chuknyiski Some equilibrium and non-equilibrium properties of the allosteric interactions in enzymes III. Dynamics of the amino acid residues and ligand binding process . . . . . . . . . . . . 389--395 Guy L. Curry and Richard M. Feldman and Peter J. H. Sharpe Foundations of stochastic development 397--410 R. J. Harvey Interaction of two inhibitors which act on different enzymes of a metabolic pathway . . . . . . . . . . . . . . . . 411--437 Stanley I. Rapoport A mathematical model for vasogenic brain edema . . . . . . . . . . . . . . . . . 439--467 Alexander Gero Biological stimulus and drug effect . . 469--473 Anonymous Pages 335--473 (7 October 1978) . . . . ??
J. Wynne McCoy New approaches to the problem of macronuclear assortment . . . . . . . . 475--489 Burrows Younkin and Horace Martin Insulin regulation of RNA synthesis . . 491--500 Larry D. Byers Binding of reactive intermediate analogs to enzymes . . . . . . . . . . . . . . . 501--512 Alberto Gandolfi and Maria A. Giovenco and Roberto Strom Reversible binding of multivalent antigen in the control of B lymphocyte activation . . . . . . . . . . . . . . . 513--521 P. A. Baghurst and L. W. Nichol and D. J. Winzor Conditions for the existence of critical points in scatchard plots of binding results . . . . . . . . . . . . . . . . 523--534 J. Keilson and A. Kester and C. Waterhouse A circulatory model for human metabolism 535--547 John H. Vandermeer and Douglas H. Boucher Varieties of mutualistic interaction in population models . . . . . . . . . . . 549--558 Takashi Kunisawa and Jinya Otsuka Co-operative ligand binding in a protein composed of subunits . . . . . . . . . . 559--578 Robert Rosen Feedforwards and global system failure: A general mechanism for senescence . . . 579--590 L. K. Pande Ecosystems with three species: One-prey-and-two-predator system in an exactly solvable model . . . . . . . . . 591--598 Howard L. Hiller Codon degeneracy and amino acid composition . . . . . . . . . . . . . . 599--601 Philip Rosen X- or $ \gamma $-ray leukemogenesis in humans . . . . . . . . . . . . . . . . . 603--606 Anonymous Pages 475--606 (21 October 1978) . . . . ??
M. Duerden and M. N. Jones Amphipathicity and aggregation in polypeptide and protein systems . . . . 1--19 Michael R. Rose Cheating in evolutionary games . . . . . 21--34 Jack R. Lancaster Site-exposure model for proton-Lactose symport in \bionameEscherichia coli . . 35--50 Barry Bunow Chemical reactions and membranes: A macroscopic basis for facilitated transport, chemiosmosis and active Transport part I: Linear analysis . . . 51--78 Barry Bunow Chemical reactions and membranes: A macroscopic basis for active transport II. Non-linear aspects . . . . . . . . . 79--96 Stanley Ainsworth and Roger B. Gregory The exponential model for a regulatory enzyme: Its extension to describe the binding of two ligands . . . . . . . . . 97--114 Ivar Heuch Maintenance of butterfly populations with all-female broods under recurrent extinction and recolonization . . . . . 115--122 Giorgio Catalano and J. Chris Eilbeck A mathematical model for embryonic cell division based on a surface ``cleavage field'' . . . . . . . . . . . . . . . . 123--137 P. G. Board and J. E. Smith Energy cost of the modified $ \gamma $ glutamyl cycle . . . . . . . . . . . . . 139--140 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--140 (7 November 1978) . . . . . ??
James B. McGuire and Colin J. Thompson On the reconstruction of an evolutionary order . . . . . . . . . . . . . . . . . 141--147 A. Sibatani A bifurcation model for developmental processes . . . . . . . . . . . . . . . 149--166 Gunnar Von Heijne and Olof Leimar and Clas Blomberg On the emergence of new function in primitive proteins . . . . . . . . . . . 167--180 Umberto Mura and Carlo Bauer PH influence on enzymic activity: The involvement of two active ionized forms of either substrate or enzyme in the reaction . . . . . . . . . . . . . . . . 181--188 Imre Zs. Nagy A membrane hypothesis of aging . . . . . 189--195 S. Karlin and D. Carmelli Evolutionary aspects and sensitivity studies of some major gene models . . . 197--222 R. M. Nisbet and W. S. C. Gurney and M. A. Pettipher Environmental fluctuations and the theory of the ecological niche . . . . . 223--237 Emmanuel T. Rakitzis Kinetics of irreversible enzyme inhibition by an unstable inhibitor: Co-operative effects . . . . . . . . . . 239--243 L. Reijnders On the applicability of game theory to evolution . . . . . . . . . . . . . . . 245--247 Anonymous Pages 141--247 (21 November 1978) . . . ??
M. Mimura and J. D. Murray On a diffusive prey-predator model which exhibits patchiness . . . . . . . . . . 249--262 John Texter and John Clark Sutherland The distribution of pyrimidine tracts in DNA can be calculated from nearest neighbor frequencies . . . . . . . . . . 263--269 John W. Whisler and Daniel Johnston Epileptogenesis: A model for the involvement of slow membrane events and extracellular potassium . . . . . . . . 271--288 S. A. Ostroumov and L. N. Vorobiev Membrane potential and surface charge densities as possible generalized regulators of membrane protein activities . . . . . . . . . . . . . . . 289--297 Barry Honig and Wilfred D. Stein Design principles for active transport systems . . . . . . . . . . . . . . . . 299--305 Gerald M. Lefebvre The time dependence of bacterial spore germination . . . . . . . . . . . . . . 307--326 William E. Cooper Home range size and population dynamic 327--337 Yechiel Becker A model for intramolecular recombination of herpesvirus DNA leading to the formation of circular, circular-linear and fragmented genomes . . . . . . . . . 339--342, IN1--IN2, 343--347 J. Gressel and L. A. Segel The paucity of plants evolving genetic resistance to herbicides: Possible reasons and implications . . . . . . . . 349--371 Krzysztof Dolowy and Frank J. Holly Contribution of interfacial tension changes during cellular interaction to the energy balance . . . . . . . . . . . 373--380 Gilbert V. Levin and Patricia Ann Straat and William D. Benton Color and feature changes at Mars Viking lander site . . . . . . . . . . . . . . 381--382, IN1--IN4, 383--390 Anonymous Pages 249--390 (7 December 1978) . . . . ??
Terrell L. Hill Effect of enzyme-enzyme interactions on steady-state enzyme kinetics. IV. ``Strictly steady-state'' examples . . . 391--416 Richard Shine Propagule size and parental care: The ``safe harbor'' hypothesis . . . . . . . 417--424 G. P. Gladyshev On the thermodynamics of biological evolution . . . . . . . . . . . . . . . 425--441 M. J. Boddington An absolute metabolic scope for activity 443--449 Eric L. Charnov Evolution of eusocial behavior: Offspring choice or parental parasitism? 451--465 Galina B. Gochlerner Free oxygen and evolutionary progress 467--486 James S. Beck Relations between membrane monolayers in some red cell shape transformations . . 487--488, IN1--IN3, 489--501 C. Thomas Judd and Lloyd L. Ingraham Molecular orbital study of optical rotation in a vitamin B$_6$ enzyme . . . 503--517 Alan Hastings An evolutionary optimization principle 519--525 Alan Hastings Evolutionarily stable strategies and the evolution of life history strategies: I. Density dependent models . . . . . . . . 527--536 Anonymous Pages 391--536 (21 December 1978) . . . ??
Roger V. Jean Developmental algorithms in phyllotaxis and their implications: a contribution to the field of growth functions of L-systems by an application of Perron--Frobenius spectral theory . . . 1--30 E. C. Deland and M. F. Villamil and J. V. Maloney A theoretical and experimental study of ionic shifts induced by K depletion and replacement . . . . . . . . . . . . . . 31--51 G. William Moore and Grover M. Hutchins and Bernadine H. Bulkley Certainty levels in the nullity method of symbolic logic application to the pathogenesis of congenital heart malformations . . . . . . . . . . . . . 53--81 Ian H. Hillier and Barry Robson Conformational behaviour of the architectural units of peptides and proteins. Assessment of current understanding by ab initio quantum mechanical methods and refinement of the dipeptide energy surface . . . . . . . . 83--98 Robert A. Metcalf and Judy A. Stamps and V. V. Krishnan Parent-offspring conflict that is not limited by degree of kinship . . . . . . 99--107 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--107 (7 January 1979) . . . . . ??
John G. Riley Evolutionary equilibrium strategies . . 109--123 R. Glenn Ford and David W. Krumme The analysis of space use patterns . . . 125--155 Truett L. Smith and Juan J. Angulo and Janice O. Tsokos and Chris P. Tsokos An analysis of the influence of age and school-attendance status on the spread of variola minor . . . . . . . . . . . . 157--165 J. G. Kingsolver and T. L. Daniel On the mechanics and energetics of nectar feeding in butterflies . . . . . 167--168, IN1, 169--179 Jonathan B. L. Bard and Marshall E. Presser The construction and evolution of DNA sequences having the same doublet ratios as those of non-satellite, mammalian DNA 181--204 A. Leth Bak and P. Bak and J. Zeuthen Higher levels of organization in chromosomes . . . . . . . . . . . . . . 205--217 Sydney Shall and Wilfred D. Stein A mortalization theory for the control of cell proliferation and for the origin of immortal cell lines . . . . . . . . . 219--231 Anonymous Pages 109--231 (21 January 1979) . . . . ??
R. D. S. Grisell Toward a multi-membrane model for potassium conduction in squid giant axon 233--266 A. V. Lakshminarayanan and A. Lent Methods of least squares and SIRT in reconstruction . . . . . . . . . . . . . 267--295 H.-P. Vogt and W. Strassburger and A. Wollmer and J. Fleischhauer and \ldots Dan Mercola Calcium binding by troponin-C and homologs is correlated with the position and linear density of ``$ \beta $-turn forming'' residues . . . . . . . . . . . 297--302, 303--310 Hans J. Bremermann Theory of spontaneous cell fusion. Sexuality in cell populations as an evolutionary stable strategy. Applications to immunology and cancer 311--334 Dexter M. Easton Oxyhemoglobin dissociation curve as expo-exponential paradigm of asymmetric sigmoid function . . . . . . . . . . . . 335--349 F. Ramirez and K. K. Shukla and H. M. Levy A model for the active site of skeletal muscle myosin . . . . . . . . . . . . . 351--354, IN5, 355--357 K. K. Shukla and F. Ramirez and J. F. Marecek and H. M. Levy A mechanism for the hydrolysis of MgATP by actomyosin of skeletal muscle . . . . 359--367 Anonymous Pages 233--367 (7 February 1979) . . . . ??
Athel Cornish-Bowden How reliably do amino acid composition comparisons predict sequence similarities between proteins? . . . . . 369--386 J. G. Clouston and C. P. Gilbert and P. Miskelly An autocatalytic model for bacterial spore germination . . . . . . . . . . . 387--402 Raymond J. Matela and Robert J. Fletterick A topological exchange model for cell self-sorting . . . . . . . . . . . . . . 403--414 C. A. R. Boyd Chemical neurotransmission: an hypothesis concerning the evolution of neurotransmitter substances . . . . . . 415--417 T. C. Lacalli and L. G. Harrison Turing's conditions and the analysis of morphogenetic models . . . . . . . . . . 419--436 Michael C. Kohn and Lucy M. Whitley and David Garfinkel Instantaneous flux control analysis for biochemical systems . . . . . . . . . . 437--452 David R. Rigney Stochastic model of constitutive protein levels in growing and dividing bacterial cells . . . . . . . . . . . . . . . . . 453--480 Wendy Kuhn Silk and Ralph O. Erickson Kinematics of plant growth . . . . . . . 481--501 R. D. Routledge Diversity indices: Which ones are admissible? . . . . . . . . . . . . . . 503--515 Anonymous Pages 369--515 (21 February 1979) . . . ??
G. Andersson Self-electrophoresis of membrane molecules and chromosomes: Unifying hypothesis of cell cycle controls . . . 1--18 Howard B. Stauffer A generalization of Pielou's index of non-randomness . . . . . . . . . . . . . 19--25 Stanley Ainsworth The exponential model for a regulatory enzyme: its extension to describe catastrophic changes in function . . . . 27--35 S. E. Dromashko and N. A. Troitsky A stochastic model of recombination during conjugation in \bionameEscherichia coli K-12 . . . . . 37--45 Paul O. Scheie Forces causing osmotic pressure . . . . 47--50 Manuel Rotenberg Stability analysis of the two compartment model of cell proliferation 51--63 Henry C. Tuckwell Synaptic transmission in a model for stochastic neural activity . . . . . . . 65--81 Stewart McGavin A reconsideration of the possibility of the specific pairing of base pairs . . . 83--99 Ellen D. Yorke A possible magnetic transducer in birds 101--105 Joseph P. Hanig and Carl Lamanna Toxicity of botulinum toxin: A stoichiometric model for the locus of its extraordinary potency and persistence at the neuromuscular junction . . . . . . . . . . . . . . . . 107--113 Yusuke Imai and Hirohiko Mori and Masataka Murakami and Hideyo Yoshida Flow analysis in a biological system adopting the buffer capacitor concept 115--128 O. Kikuchi and A. J. Hopfinger and G. Klopman A new type of semi-empirical molecular orbital method for large molecules . . . 129--139 R. Allen White and H. D. Thames State vector models of the cell cycle II: The first three moments of the transit time distribution . . . . . . . 141--160 G. L. Amidon and R. S. Pearlman and S. T. Anik The solvent contribution to the free energy of protein-ligand interactions 161--170 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--170 (7 March 1979) . . . . . . ??
Hugh N. Comins Analytic methods for the management of pesticide resistance . . . . . . . . . . 171--188 F. W. Wiegel Hydrodynamics of a permeable patch in the fluid membrane . . . . . . . . . . . 189--193 Nigel Holder Positional information and pattern formation in plant morphogenesis and a mechanism for the involvement of plant hormones . . . . . . . . . . . . . . . . 195--212 Michael R. Lerner Immortal fibroblasts? . . . . . . . . . 213--216 S. B. Idso and P. J. Pinter and J. L. Hatfield and R. D. Jackson and R. J. Reginato A remote sensing model for the prediction of wheat yields prior to harvest . . . . . . . . . . . . . . . . 217--228 Andrey N. Luchnik On the mechanism of SOS-repair and prophage induction: Relaxation hypothesis . . . . . . . . . . . . . . . 229--231 Alan D. B. Malcolm Amino acid sequence homology . . . . . . 233--234 Anonymous Pages 171--234 (21 March 1979) . . . . . ??
D. A. Linkens Modulation analysis of forced non-linear oscillators for biological modelling . . 235--251 Narendra S. Goel and Martynas Ycas On the computation of the tertiary structure of globular proteins II . . . 253--305 L. R. Ginzburg and R. F. Costantino On the rate of genetic adaptation under natural selection . . . . . . . . . . . 307--316 N. F. Britton and J. D. Murray Threshold, wave and cell-cell avalanche behaviour in a class of substrate inhibition oscillators . . . . . . . . . 317--332 Michael R. Kibby The matrix representation of pharmacokinetic models . . . . . . . . . 333--348 Jeffrey S. Wicken The generation of complexity in evolution: A thermodynamic and information-theoretical discussion . . . 349--365 Hiromasa Onda A new hypothesis on mitotic control mechanism in eukaryotic cells: Cell-specific mitosis-inhibiting protein excretion hypothesis . . . . . . . . . . 367--377 Lawrence L. Johnson Kin selection in finite sibships . . . . 379--381 Robert Rosen A comment on surface modulating assemblies . . . . . . . . . . . . . . . 383--384 Anonymous Pages 235--384 (7 April 1979) . . . . . ??
Michael A. Savageau Feedforward inhibition in biosynthetic pathways: inhibition of the aminoacyl-tRNA synthetase by the penultimate product . . . . . . . . . . 385--404 Michael A. Savageau and Gerald Jacknow Feedforward inhibition in biosynthetic pathways: inhibition of the aminoacyl-tRNA synthetase by intermediates of the pathway . . . . . . 405--425 Jean-Marl Engasser and Patrick Hisland Diffusional effects on the heterogeneous kinetics of two-substrate enzymic reactions . . . . . . . . . . . . . . . 427--440 S. H. Lin A modified model for predicting the performance of a compact artificial kidney . . . . . . . . . . . . . . . . . 441--451 R. R. Warner and T. Strunk and C. Lechene Analysis of proximal tubule salt and water transport in standing droplets . . 453--471 H. Jane Brockmann and Alan Grafen and Richard Dawkins Evolutionarily stable nesting strategy in a digger wasp . . . . . . . . . . . . 473--496 N. I. Lyons and K. Hutcheson A stopping rule based on Simpson's index of diversity . . . . . . . . . . . . . . 497--503 S. Alvarado and R. Figueroa and A. Sepúlveda and M. A. Soto and J. Tohá Reliability in the genetic code . . . . 505--512 George G. Ross and Norman A. Slade A predator--prey viewpoint of a single species population . . . . . . . . . . . 513--522 T. W. Barrett Polyelectrolyte hysteresis interpreted as singularities in the Poisson--Boltzmann description . . . . . 523--536 R. J. Katz Exploration as a functional correlate of endorphins . . . . . . . . . . . . . . . 537--538 Anonymous Pages 385--538 (21 April 1979) . . . . . ??
Conchita Zuazaga de Ortiz The selective permeability of sodium and potassium channels in nerve: Orbital control hypothesis . . . . . . . . . . . 1--10 Leonard Weiss and Shlomo Nir On the mechanisms of transfilter induction of kidney tubules . . . . . . 11--20 Murray Itzkowitz On the organization of courtship sequences in fishes . . . . . . . . . . 21--28 V. I. Bruskov and V. I. Poltev On molecular mechanisms of nucleic acid synthesis. Fidelity aspects: 2. Contribution of protein--nucleotide recognition . . . . . . . . . . . . . . 29--32, IN1, 33--41 Martin Eisen and Nicholas Macri and Jatinder Mehta Microfluorometry analysis II. A Bayesian approach . . . . . . . . . . . . . . . . 43--49 M. McCabe and K. Adam and D. Maguire The effect of temperature upon the combined diffusional and kinetic parameters of tissue respiration . . . . 51--59 James Summerton Sequence-specific crosslinking agents for nucleic acids: Design and functional group testing . . . . . . . . . . . . . 61--75 James Summerton Intracellular inactivation of specific nucleotide sequences: A general approach to the treatment of viral diseases and virally-mediated cancers . . . . . . . . 77--99 J. S. Orr Continuous administration of short-lived radioisotope tracers and the analogous Laplace transform . . . . . . . . . . . 101--111 Gunnar von Heijne and Clas Blomberg The concentration dependence of the error frequencies and some related quantities in protein synthesis . . . . 113--120 Harold M. Hastings Stability considerations in community organization . . . . . . . . . . . . . . 121--127 Masahiro Ichikawa and Tsu-Wei Chou Analysis of deformation and contraction in cylindrical crystals due to dispirations or dislocations . . . . . . 129--142 Donald O. Rudin The second cell membrane: The basal lamina and the tissue cell theory of metazoa . . . . . . . . . . . . . . . . 143--152, IN3, 153--165 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--165 (7 May 1979) . . . . . . . ??
Stephen A. Berman and Sue Hanlon Comparison of the linear least mean squares procedure and the vector projection method of spectral analysis 167--183 William A. Calder On the temperature-dependency of optimal nectar concentrations for birds . . . . 185--196 P. Otto and M. Seel and J. Ladik and R. Müller From retrospective to predictive structure activity correlations . . . . 197--210 Barry M. Dancis and Gerald P. Holmquist Telomere replication and fusion in eukaryotes . . . . . . . . . . . . . . . 211--224 Robert E. Calhoon and Sheldon Aaronson A discriminant analysis of amino acid frequency in collagen-like proteins . . 225--239 D. Lurié and J. Wagensberg Non-equilibrium thermodynamics and biological growth and development . . . 241--250 Akihiko Irimajiri and Tetsuya Hanai and Akira Inouye A dielectric theory of ``multi-stratified shell'' model with its application to a lymphoma cell . . . 251--269 Irving R. Epstein Competitive coexistence of self-reproducing macromolecules . . . . 271--298 D. Elder BUdR and the quantal mitosis: A cleavage plane shift model . . . . . . . . . . . 299--304 Michael H. Brill Further features of the illuminant-invariant trichromatic photosensor . . . . . . . . . . . . . . 305--308 Anonymous Erratum . . . . . . . . . . . . . . . . 308--308 Anonymous Pages 167--308 (21 May 1979) . . . . . . ??
Mark M. Stayton and Herbert J. Fromm A computer analysis of the validity of the integrated Michaelis--Menten equation . . . . . . . . . . . . . . . . 309--323 Martin Daly Why don't male mammals lactate? . . . . 325--345 P. S. Aplin and D. J. Hill Growth analysis of circular lichen thalli . . . . . . . . . . . . . . . . . 347--363 N. F. Kember Proliferation controls in a linear growth system: Theoretical studies of cell division in the cartilage growth plate . . . . . . . . . . . . . . . . . 365--374 Felix Sebba A surface-chemical basis for cell motility . . . . . . . . . . . . . . . . 375--388, IN1--IN10, 389--391 P. R. Andrews and Elizabeth Heyde A common active site model for catalysis by chorismate mutase-prephenate dehydrogenase . . . . . . . . . . . . . 393--403 D. L. S. McElwain and R. Callcott and L. E. Morris A model of vascular compression in solid tumours . . . . . . . . . . . . . . . . 405--415 Charles G. Glabe A supramolecular theory for specificity in intracellular adhesion . . . . . . . 417--423 Julian Lewis and Lewis Wolpert Diploidy, evolution and sex . . . . . . 425--438 K. Miyanishi and A. R. Hoy and P. B. Cavers A generalized law of self-thinning in plant populations (self-thinning in plant populations) . . . . . . . . . . . 439--442 John F. Boyer The terminology of Markov chains . . . . 443--447 M. J. Orlove Putting the diluting effect into inclusive fitness . . . . . . . . . . . 449--450 Anonymous Pages 309--450 (7 June 1979) . . . . . . ??
Yoshihiko Tsukamoto An information theory of the genetic code . . . . . . . . . . . . . . . . . . 451--498 S. A. Hunter and R. A. Peura and T. C. Crusberg and R. J. Harvey Bond graph simulation of skeletal muscle glucose metabolism . . . . . . . . . . . 499--508, IN1, 509--517 Brian Shuter A model of physiological adaptation in unicellular algae . . . . . . . . . . . 519--552 C. C. Travis and Wilfred M. Post Dynamics and comparative statics of mutualistic communities . . . . . . . . 553--571 M. W. Ho and P. T. Saunders Beyond neo-Darwinism --- an epigenetic approach to evolution . . . . . . . . . 573--591 James N. McNair A model of tentacle function in certain suctorians . . . . . . . . . . . . . . . 593--610 Anonymous Pages 451--610 (21 June 1979) . . . . . ??
Pliny H. Hayes and Jack R. Girton and Michael A. Russell Positional information and the bithorax complex . . . . . . . . . . . . . . . . 1--17 W. G. S. Hines and J. Maynard Smith Games between relatives . . . . . . . . 19--30 D. A. Linkens Theoretical analysis of beating and modulation phenomena in weakly inter-coupled van der Pol oscillator systems for biological modelling . . . . 31--54 Stuart A. Newman The un body: A possible structure for transcriptionally inactivated chromatin subunits . . . . . . . . . . . . . . . . 55--66 M. J. Pomerantz and M. E. Gilpin Community covariance and coexistence . . 67--81 Nanako Shigesada and Kohkichi Kawasaki and Ei Teramoto Spatial segregation of interacting species . . . . . . . . . . . . . . . . 83--99 N. G. Maroudas On the low adhesiveness of fluid phospholipid substrata . . . . . . . . . 101--116 Richard Egel The lac-operon for lactose degradation, or rather for the utilization of galactosylglycerols from galactolipids? 117--119 J. B. L. Bard A quantitative theory of liver regeneration in the rat II: Matching an improved mitotic inhibitor model to the data . . . . . . . . . . . . . . . . . . 121--136 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--136 (7 July 1979) . . . . . . . ??
M. Conrad Unstable electron pairing and the energy loan model of enzyme catalysis . . . . . 137--156 H. P. Rappaport Evaluation of group contributions to ligand binding . . . . . . . . . . . . . 157--165 Jacques Ninio An algorithm that generates a large number of geometric visual illusions . . 167--201 Chikara Murakami and Kazuhisa Tomita Giant transitory excitation --- a thermokinetic model . . . . . . . . . . 203--222 W. J. Van der Steen and A. ter Maat Theoretical studies on animal orientation I. Methodological appraisal of classifications . . . . . . . . . . . 223--234 A. Sonnenberg and A. L. Blum Simple calculations of volume flow and flow rates across the pylorus . . . . . 235--242 Dilip Goswami and Avijit Lahiri A generalized prey-predator model . . . 243--246 D. R. Rigney Note on the kinetics and stochastics of induced protein synthesis as influenced by various models for messenger RNA degradation . . . . . . . . . . . . . . 247--257 Christopher H. Evans Is the $ A(G_0) $ state time-independent? . . . . . . . . . . . 259--262 Anonymous Pages 137--262 (21 July 1979) . . . . . ??
P. R. Andrews and G. A. R. Johnston Conformational analysis of muscimol, a GABA agonist . . . . . . . . . . . . . . 263--273 J. Tyson and W. Sachsenmaier Derepression as a model for control of the DNA-division cycle in eukaryotes . . 275--280 B. I. Kurganov and N. I. Loboda Regulation of enzyme activity in adsorptive enzyme systems . . . . . . . 281--301 Ei Teramoto and Kohkichi Kawasaki and Nanako Shigesada Switching effect of predation on competitive prey species . . . . . . . . 303--315 Alan S. Perelson and Frederik W. Wiegel A calculation of the number of IgG molecules required per cell to fix complement . . . . . . . . . . . . . . . 317--332 T. E. Awerbuch and R. Samson and A. J. Sinskey A quantitative model of diffusion bioassays . . . . . . . . . . . . . . . 333--336, IN2, 337--340 Thomas Alerstam Optimal use of wind by migrating birds: Combined drift and overcompensation . . 341--353 G. Klopman and H. Grinberg and A. J. Hopfinger MINDO/3 calculations of the conformation and carcinogenicity of epoxy-metabolites of aromatic hydrocarbons; 7,8-dihydroxy-9,10-oxy-7,8,9,10-tetrahydrobenzo(a)pyrene 355--366 Jacob Jorné and Uriel N. Safriel Linear and non-linear diffusion models applied to the behavior of a population of an intertidal snail . . . . . . . . . 367--380 Hans-Helmut Kohler and Klaus Heckmann Unidirectional fluxes in saturated single-file pores of biological and artificial membranes I. Pores containing no more than one vacancy . . . . . . . . 381--401 Kihachiro Horiike and Donald B. McCormick Correlations between biological activity and the number of functional groups chemically modified . . . . . . . . . . 403--414 Anonymous Pages 263--414 (7 August 1979) . . . . . ??
I. W. Richardson and Robert Rosen Aging and the metrics of time . . . . . 415--423 M. Schauer and R. Heinrich Analysis of the quasi-steady-state approximation for an enzymatic one-substrate reaction . . . . . . . . . 425--442 Jagdeesh Bandekar and B. K. Sathyanarayana Copper(II)-Nucleic acid interactions --- a conformational study . . . . . . . . . 443--454 Lelia M. Coyne Neurotransmitters as ion shuttles in regulation of neural activity . . . . . 455--472 J. T. Duniec and M. J. Sculley and S. W. Thorne An analysis of the effect of mono- and di-valent cations on the forces between charged lipid membranes with special reference to the grana thylakoids of chloroplasts . . . . . . . . . . . . . . 473--484 Abraham Noordergraaf and John K.-J. Li and Kenneth B. Campbell Mammalian hemodynamics: a new similarity principle . . . . . . . . . . . . . . . 485--489 Keith Tornheim Oscillations of the glycolytic pathway and the purine nucleotide cycle . . . . 491--541 Daniel J. Schoen An angiosperm analogue to megagametophyte analysis . . . . . . . . 543--546 Wilfred M. Post and C. C. Travis Quantitative stability in models of ecological communities . . . . . . . . . 547--553 Anonymous Pages 415--553 (21 August 1979) . . . . ??
Davis K. Cope and Henry C. Tuckwell Firing rates of neurons with random excitation and inhibition . . . . . . . 1--14 Theodore R. Reiff Colloid osmotic homeostasis in humans: Intravascular oncotic energy under varying gravitational potential . . . . 15--20 Hubert P. Yockey Do overlapping genes violate molecular biology and the theory of evolution? . . 21--26 John J. Tyson Periodic enzyme synthesis: Reconsideration of the theory of oscillatory repression . . . . . . . . . 27--38 L. W. Nichol and P. R. Wills and D. J. Winzor An examination of the forms of scatchard plots of binding results outside domains of sigmoidality . . . . . . . . . . . . 39--50 Robert W. Chapman and John C. Avise and Marjorie A. Asmussen Character space restrictions and boundary conditions in the evolution of quantitative multistate characters . . . 51--64 A. Stasiak and T. Klopotowski Four-stranded DNA structure and DNA base methylation in the mechanism of action of restriction endonucleases . . . . . . 65--82 Teresa Ree Chay pH oscillations in transport processt 83--99 Rodman G. Miller A model for lamellar myelin . . . . . . 101--113 J. A. Hewitt Surf-riding model for cell capping . . . 115--127 Philip H. Crowley Predator-mediated coexistence: an equilibrium interpretation . . . . . . . 129--144 G. Synder Thermodynamics and body temperature . . 145--147 Robert Rosen Patching and capping of cell membrane receptors as examples of morphogenetic movement . . . . . . . . . . . . . . . . 149--153 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--153 (7 September 1979) . . . . ??
A. Cornish-Bowden How reality do amino acid composition comparisons predict sequence similarities between proteins?: J. theor. Biol. (1979) \bf 76, 369--386 . . i--i M. V. Volkenstein Mutations and the value of information 155--169 Yoichiro Anan and Nobuhiro Go Solitary wave and spatially locked solitary pattern in a chemical reaction system . . . . . . . . . . . . . . . . . 171--183 Joseph W. H. So A note on the global stability and bifurcation phenomenon of a Lotka--Volterra food chain . . . . . . . 185--187 R. H. Smith and R. Mead On predicting extinction in simple population models I. Stochastic linearization . . . . . . . . . . . . . 189--203 H. Naora and N. J. Deacon and K. E. Fry Similarity between 5'- and 3'-terminal nucleotide sequences and double-stranded RNA-derived sequences of eukaryotic mRNA 205--221 Donald M. Waller Models of mast fruiting in trees . . . . 223--232 P. D. Calvert and L. W. Nichol and W. H. Sawyer Binding equations for interacting systems comprising multivalent acceptor and bivalent ligand: Application to antigen-antibody systems . . . . . . . . 233--247 D. Couzin and D. G. Papworth The over-dispersion between cells of chromosomal aberrations . . . . . . . . 249--258 J. A. Ribeiro Purinergic modulation of transmitter release . . . . . . . . . . . . . . . . 259--270 Bruce Hannon Total energy costs in ecosystems . . . . 271--293 Howard R. Petty and James K. Baird On the polarizability of macromolecules in solution . . . . . . . . . . . . . . 295--299 R. Meganathan Why has the ``nitrogenase plasmid'' snubbed the pseudomonads? . . . . . . . 301--304 Anonymous Notices . . . . . . . . . . . . . . . . 305--305 Anonymous Pages 155--305 (21 September 1979) . . . ??
Thomas H. Haines A proposal on the function of unsaturated fatty acids and ionic lipids: the role of potential compaction in biological membranes . . . . . . . . 307--323 Aleksander S. Popel Diffusion in tissue slices with metabolism obeying Michaelis--Menten kinetics . . . . . . . . . . . . . . . . 325--332 John D. Abernethy The exponential increase in mortality rate with age attributed to wearing-out of biological components . . . . . . . . 333--354 E. P. Whitehead The structure of steady-state enzyme kinetic equations: A graph-theoretical algorithm for obtaining conditions for reduction in degree by common-factor cancellation . . . . . . . . . . . . . . 355--381 Ajit K. Thakur and David Rodbard Graphical aids to interpretation of scatchard plots and dose-response curves 383--403 J. Brian Chapman and J. Mailen Kootsey and Edward A. Johnson A kinetic model for determining the consequences of electrogenic active transport in cardiac muscle . . . . . . 405--424 Oscar M. Sorarrain and Rafael Boggio and Cristina Cordo An actual Bellman--0Harris epidemic process. The infection of \bionameseptoria in barley or wheat . . 425--433 R. K. Mishra and G. Subba Rao and R. S. Tyagi and S. Gandhi A study of the intermolecular association in living systems. IV. Studies on a model molecular fragment (pentane) . . . . . . . . . . . . . . . 435--440 D. Schenzle On estimating parameters of the binomial model for transmitter release at synapses . . . . . . . . . . . . . . . . 441--443 Anonymous Pages 307--443 (7 October 1979) . . . . ??
Angelos C. Economos On structural theories of basal metabolic rate . . . . . . . . . . . . . 445--450 J. A. King-Hele Approximate analytical solutions for water and solute flow in intercellular spaces with a leaky tight junction . . . 451--465 D. Assimacopoulos and F. J. Evans A qualitative method for analysis of prey-predator systems under enrichment 467--484 M. Prahhakaran and P. K. Ponnuswamy The spatial distribution of physical, chemical, energetic and conformational properties of amino acid residues in globular proteins . . . . . . . . . . . 485--504 Maximos S. Papadopoullos and Photios A. Anninos and Silvio Zenone Memory topology of neural nets . . . . . 505--535 M. A. Mitz CO 2 biodynamics: a new concept of cellular control . . . . . . . . . . . . 537--551 M. Seghers A qualitative study of an idiotypic cyclic network . . . . . . . . . . . . . 553--576 N. MacDonald Simple aspects of foodweb complexity . . 577--588 Anonymous Membrane noise and microscopical significance of critical slopes of ramp voltages . . . . . . . . . . . . . . . . 589--593 Anonymous Pages 445--593 (21 October 1979) . . . . ??
A. P. Kozlov Evolution of living organisms as a multilevel process . . . . . . . . . . . 1--17 J. E. Scott Hydrated electrons and prebiotic evolution . . . . . . . . . . . . . . . 19--27 Jean-Pierre Laplante Inhomogeneous steady state distributions of species in predator--prey systems. A specific example . . . . . . . . . . . . 29--45 G. W. Gould and G. J. Dring On a possible relationship between bacterial endospore formation and the origin of eukaryotic cells . . . . . . . 47--53 H. B. Stauffer A derivation for the Weibull distribution . . . . . . . . . . . . . . 55--63 C. J. Barnard and T. Burk Dominance hierarchies and the evolution of ``individual recognition'' . . . . . 65--73 M. N. Jones and R. Perry The kinetics of cellular aggregation induced by turbulent flow . . . . . . . 75--89 James V. Robinson and Walter D. Valentine The concepts of elasticity, invulnerability and invadability . . . . 91--104 W. Mandecki A kinetic model for interaction of regulatory proteins and RNA Polymerase with the control region of the lac operon of \bionameEscherichia coli . . . 105--122 Paul H. Ehrlich The effect of multivalency on the specificity of protein and cell interactions . . . . . . . . . . . . . . 123--127 Jay E. Mittenthal A model for the genetic control of differential adhesion in insect epidermis . . . . . . . . . . . . . . . 129--149 Anonymous Editorial Board . . . . . . . . . . . . ifc--ifc Anonymous Pages 1--149 (7 November 1979) . . . . . ??
D. J. Heath Brooding and the evolution of hermaphroditism . . . . . . . . . . . . 151--155 Rémy Sauvé and Shinpei Ohki Interactions of divalent cations with negatively charged membrane surfaces. I. Discrete charge potential . . . . . . . 157--179 R. Allen White and Shelley L. Rasmussen and Howard D. Thames State vector models of the cell cycle III: Continuous time cell cycle models 181--200 E. Broda and G. A. Peschek Did respiration or photosynthesis come first? . . . . . . . . . . . . . . . . . 201--212 J. Catalán and P. Pérez Photoinduced double proton transfer in a model hydrogen bonded base pair. Theoretical study . . . . . . . . . . . 213--221 Richard Michod Genetical aspects of kin selection: Effects of inbreeding . . . . . . . . . 223--233 J. R. Medina and C. Petit L'effet Hitch-hiking comme processus dispersif . . . . . . . . . . . . . . . 235--246 I. Simon Investigation of protein folding: Uneven distribution of point mutations along polypeptide chains . . . . . . . . . . . 247--258 Henry N. Kirkman Rectification of tandemly repetitious DNA I. Influences on rate . . . . . . . 259--274 Henry N. Kirkman Rectification of tandemly repetitious DNA II. Clustering and periodicity . . . 275--288 R. W. Thompson and D. A. Cauley A population balance model for fish population dynamics . . . . . . . . . . 289--307 Roger V. Jean Some consequences of the hierarchical approach to phyllotaxis . . . . . . . . 309--326 Harvey M. Levy and Fausto Ramirez and Kamal K. Shukla Muscle contraction: a mechanism of energy transduction . . . . . . . . . . 327--332 Yoshiya Shinagawa Note on the validity of constant field assumption in relation to the exact solution of Nernst--Planck equations . . 333--340 J. H. Brackenbury Aeroacoustics of the vocal organ of birds . . . . . . . . . . . . . . . . . 341--349 A. D. Bell and D. Roberts and A. Smith Branching patterns: the simulation of plant architecture . . . . . . . . . . . 351--375 Anonymous Pages 151--375 (21 November 1979) . . . ??
Kenneth R. Olson The linear cable theory as a model of gill blood flow . . . . . . . . . . . . 377--388 J. Schnakenberg Simple chemical reaction systems with limit cycle behaviour . . . . . . . . . 389--400 J. R. Smythies The possible molecular structure of binding sites for tumor-promoting phorbol esters, 2'-deacyl phospholipids and PGE 1 on the molecule of phospholipase A 2 . . . . . . . . . . . 401--405 Peter D. Taylor An analytical model for a short-term advantage for sex . . . . . . . . . . . 407--421 P. D. Scott Conditional control transfer mechanisms in the neocortex: 1. The basic model . . 423--452 P. D. Scott Conditional control transfer mechanisms in the neocortex: 2. Cytoarchitectural and electrophysiological evidence and predictions . . . . . . . . . . . . . . 453--473 Douglas Lauffenburger and Kenneth H. Keller Effects of leukocyte random motility and chemotaxis in tissue inflammatory response . . . . . . . . . . . . . . . . 475--503 Stephen J. Koons and C. Richard Zobel A modified distance variable for the hill formalism for kinetic models of muscle contraction . . . . . . . . . . . 505--513 F. H. Silver and R. L. Trelstad Linear aggregation and the turbidimetric lag phase: Type I collagen fibrillogenesis in vitro . . . . . . . . 515--526 Peter Friedrich On the physiological significance of positive and negative cooperativity in enzymes . . . . . . . . . . . . . . . . 527--532 Hans Bremer and Gordon Churchward and Ry Young Relation between growth and replication in bacteria . . . . . . . . . . . . . . 533--545 Kirk W. Beach A theoretical model to predict the behavior of glycosylated hemoglobin levels . . . . . . . . . . . . . . . . . 547--561 D. Elder Why is regenerative capacity restricted in higher organisms? . . . . . . . . . . 563--568 Arnold Trehub Associative sequential recall in a synaptic matrix . . . . . . . . . . . . 569--576 M. J. Orlove A reconciliation of inclusive fitness and personal fitness approaches: A proposed correcting term for the inclusive fitness formula . . . . . . . 577--586 Pierre R. Blanquet Effect of charge changes in ligand-triggered membrane cooperative transitions . . . . . . . . . . . . . . 587--598 Robert Keen and David L. Parker Determining expected duration of development under conditions of alternating temperatures . . . . . . . . 599--607 J. Hofbauer and P. Schuster and K. Sigmund A note on evolutionary stable strategies and game dynamics . . . . . . . . . . . 609--612 E. A. Marshall On the exact analytical solution of the Poisson--Boltzmann equation . . . . . . 613--616 Jack Maniloff Mycoplasma gliding may be a biased Brownian motion . . . . . . . . . . . . 617--620 Anonymous Pages 377--620 (7 December 1979) . . . . ??
S. S. Mangoubi and Y. Y. Zeevi Theoretical analysis of photoreceptor noise . . . . . . . . . . . . . . . . . 621--632 Yi-Der Chen On the admittance of membranes associated with channel conduction. Application to channels at non-equilibrium steady state . . . . . . 633--644 Alan S. Perelson and George F. Oster Theoretical studies of clonal selection: Minimal antibody repertoire size and reliability of self-non-self discrimination . . . . . . . . . . . . . 645--670 Ronald G. Duggleby Experimental designs for estimating the kinetic parameters for enzyme-catalysed reactions . . . . . . . . . . . . . . . 671--684 Avinoam Nir and Robert Pfeffer Transport of macromolecules across arterial wall in the presence of local endothial injury . . . . . . . . . . . . 685--711 Duncan H. Haynes and Michael A. Kolber and Stephen J. Morris Short and long-range forces involved in cation-induced aggregation of chromaffin granule membranes . . . . . . . . . . . 713--743 Hisao Honda and Toshiteru Morita and Akira Tanabe Establishment of epidermal cell columns in mammalian skin: Computer simulation 745--759 L. Bass and P. Robinson How small is the functional variability of liver sinusoids? . . . . . . . . . . 761--769 S. R. Vaccaro and H. S. Green Ionic processes in excitable membranes 771--802 Gita Subba Rao and Zehra Hamid and J. Subba Rao The information content of DNA and evolution . . . . . . . . . . . . . . . 803--807 Hideo Murakami and Hiromasa Mori On the codings and origins of t and t antigens in SV40 . . . . . . . . . . . . 809--822 Anonymous Pages 621--822 (21 December 1979) . . . ??