Table of Contents

• P. J. Blatz,
• S. C. Sharda,
• and N. W. Tschoegl

A New Elastic Potential Function for Rubbery Materials

• John T. Stout
• and Ronald L. Phillips

Two Independently Inherited Electrophoretic Variants of the Lysine-Rich Histones of Maize ( Zea mays )

• Robert Roth

Chromosome Replication During Meiosis: Identification of Gene Functions Required for Premeiotic DNA Synthesis

• Robert Zwanzig

Generalized Verhulst Laws for Population Growth

• Manfred Buehner,
• Geoffrey C. Ford,
• Dino Moras,
• Kenneth W. Olsen,
• and Michael G. Rossmann

D-Glyceraldehyde-3-Phosphate Dehydrogenase: Three-Dimensional Structure and Evolutionary Significance

• Peter Botchan,
• James C. Wang,
• and Harrison Echols

Effect of Circularity and Superhelicity on Transcription from Bacteriophage λ DNA

• Arthur J. Blume,
• C. Dalton,
• and H. Sheppard

Adenosine-Mediated Elevation of Cyclic 3′:5′-Adenosine Monophosphate Concentrations in Cultured Mouse Neuroblastoma Cells

• Saul Maayani,
• Harel Weinstein,
• Sasson Cohen,
• and Mordechai Sokolovsky

Acetylcholine-Like Molecular Arrangement in Psychomimetic Anticholinergic Drugs

• Dorothy M. Skinner
• and Wanda G. Beattie

Cs 2 SO 4 Gradients Containing Both Hg 2+ and Ag + Effect the Complete Separation of Satellite Deoxyribonucleic Acids Having Identical Densities in Neutral CsCl Gradients

• Robert S. Adelstein,
• Mary Anne Conti,
• and William Anderson, Jr.

Phosphorylation of Human Platelet Myosin

• Michel Wright,
• Sue Wickner,
• and Jerard Hurwitz

Studies on In Vitro DNA Synthesis Isolation of dna B Gene Product from Escherichia coli

• P. B. Chock,
• C. Y. Huang,
• R. B. Timmons,
• and E. R. Stadtman

ε-Adenylylated Glutamine Synthetase: An Internal Fluorescence Probe for Enzyme Conformation

• H. Kon
• and A. Szent-Györgyi

Charge Transfer Between Amine and Carbonyl

• Maurizio Brunori,
• Giorgio M. Giacometti,
• Eraldo Antonini,
• and Jeffries Wyman

Heme Proteins: Quantum Yield Determined by the Pulse Method

• Marcelino F. Sierra
• and Alexander Tzagoloff

Assembly of the Mitochondrial Membrane System. Purification of a Mitochondrial Product of the ATPase

• Donald Ganem,
• Jeffrey H. Miller,
• James G. Files,
• Terry Platt,
• and Klaus Weber

Reinitiation of a lac Repressor Fragment at a Codon Other Than AUG

• J. C. Hsia
• and J. M. Boggs

Pressure Effect on the Membrane Action of a Nerve-Blocking Spin Label

• Steven D. Schimmel,
• Claudia Kent,
• Richard Bischoff,
• and P. Roy Vagelos

Plasma Membranes from Cultured Muscle Cells: Isolation Procedure and Separation of Putative Plasma-Membrane Marker Enzymes

• Claudia Fenner,
• Dean T. Mason,
• Robert Zelis,
• and Joan Wikman-Coffelt

Regulatory Properties of Myocardial Myosin

• Rainer N. Zahlten,
• Frederick W. Stratman,
• and Henry A. Lardy

Regulation of Glucose Synthesis in Hormone-Sensitive Isolated Rat Hepatocytes

• Donald F. H. Wallach,
• David A. Low,
• and Alexander V. Bertland

Membrane Optical Activity: Some Facts and Fallacies

• Stanley N. Cohen,
• Annie C. Y. Chang,
• Herbert W. Boyer,
• and Robert B. Helling

Construction of Biologically Functional Bacterial Plasmids In Vitro

• E. Margoliash,
• Shelagh Ferguson-Miller,
• J. Tulloss,
• Chae Hee Kang,
• B. A. Feinberg,
• D. L. Brautigan,
• and M. Morrison

Separate Intramolecular Pathways for Reduction and Oxidation of Cytochrome c in Electron Transport Chain Reactions

• Ernest Hamel
• and Michael Cashel

Role of Guanine Nucleotides in Protein Synthesis. Elongation Factor G and Guanosine 5′-Triphosphate,3′-Diphosphate

• A. Goldbeter

Patterns of Spatiotemporal Organization in an Allosteric Enzyme Model

• Dominick V. Basile,
• Henry N. Wood,
• and Armin C. Braun

Programming of Cells for Death under Defined Experimental Conditions: Relevance to the Tumor Problem

• Robert Cleland

Auxin-Induced Hydrogen Ion Excretion from Avena Coleoptiles

• Paul N. McMillan
• and Ronald B. Luftig

Preservation of Erythrocyte Ghost Ultrastructure Achieved by Various Fixatives

• Thomas D. Petes,
• Breck Byers,
• and Walton L. Fangman

Size and Structure of Yeast Chromosomal DNA

• David A. Hessinger,
• Raymond A. Daynes,
• and Gale A. Granger

Binding of Human Lymphotoxin to Target-Cell Membranes and Its Relation to Cell-Mediated Cytodestruction

• L. H. Thompson,
• J. L. Harkins,
• and C. P. Stanners

A Mammalian Cell Mutant with a Temperature-Sensitive Leucyl-Transfer RNA Synthetase

• R. E. Hausman
• and A. A. Moscona

Cell-Surface Interactions: Differential Inhibition by Proflavine of Embryonic Cell Aggregation and Production of Specific Cell-Aggregating Factor

• J. D. Sharp,
• N. E. Capecchi,
• and M. R. Capecchi

Altered Enzymes in Drug-Resistant Variants of Mammalian Tissue Culture Cells

• H. Beug,
• F. E. Katz,
• A. Stein,
• and G. Gerisch

Quantitation of Membrane Sites in Aggregating Dictyostelium Cells by Use of Tritiated Univalent Antibody

• Richard O. Hynes

Alteration of Cell-Surface Proteins by Viral Transformation and by Proteolysis

• David E. Harrison

Normal Production of Erythrocytes by Mouse Marrow Continuous for 73 Months

• George M. Maniatis,
• Richard A. Rifkind,
• Arthur Bank,
• and Paul A. Marks

Early Stimulation of RNA Synthesis by Erythropoietin in Cultures of Erythroid Precursor Cells

• J. Rodney Parkhurst,
• A. R. Peterson,
• and Charles Heidelberger

Breakdown of HeLa Cell DNA Mediated by Vaccinia Virus

• Eugene O. Major
• and Giampiero Di Mayorca

Malignant Transformation of BHK 21 Clone 13 Cells by BK Virus—A Human Papovavirus

• R. C. Gallo,
• N. R. Miller,
• W. C. Saxinger,
• and D. Gillespie

Primate RNA Tumor Virus-Like DNA Synthesized Endogenously by RNA-Dependent DNA Polymerase in Virus-Like Particles from Fresh Human Acute Leukemic Blood Cells

• Joel K. Weltman
• and Robert M. Dowben

Relatedness Among Contractile and Membrane Proteins: Evidence for Evolution from Common Ancestral Genes

• Hugh D. Robertson,
• Elizabeth Dickson,
• Peter Model,
• and Wolf Prensky

Application of Fingerprinting Techniques to Iodinated Nucleic Acids

• V. C. K. Chiu
• and H. G. Drickamer

High-Pressure Spectral Studies of Mixed Valence Compounds of Antimony

• Harold E. Varmus,
• Peter K. Vogt,
• and J. Michael Bishop

Integration of Deoxyribonucleic Acid Specific for Rous Sarcoma Virus after Infection of Permissive and Nonpermissive Hosts

• C. Lemasson,
• N. Tandeau De Marsac,
• and G. Cohen-Bazire

Role of Allophycocyanin as Light-Harvesting Pigment in Cyanobacteria

• Norton D. Zinder

Resistance to Colicins E3 and K Induced by Infection with Bacteriophage f1

• Nelson L. Levy,
• Ralph Snyderman,
• Roger L. Ladda,
• and Rose Lieberman

Cytogenetic Engineering In Vivo: Restoration of Biologic Complement Activity to C5-Deficient Mice by Intravenous Inoculation of Hybrid Cells

• Janos M. Varga,
• W. H. Konigsberg,
• and Frank F. Richards

Antibodies with Multiple Binding Functions. Induction of Single Immunoglobin Species by Structurally Dissimilar Haptens

• W. P. Peters,
• D. Kufe,
• J. Schlom,
• J. W. Frankel,
• C. O. Prickett,
• V. Groupé,
• and S. Spiegelman

Biological and Biochemical Evidence for an Interaction Between Marek's Disease Herpesvirus and Avian Leukosis Virus In Vivo

• Albert B. Sabin
• and Giulio Tarro

Herpes Simplex and Herpes Genitalis Viruses in Etiology of Some Human Cancers

• M. Nonoyama,
• C. H. Huang,
• J. S. Pagano,
• G. Klein,
• and S. Singh

DNA of Epstein-Barr Virus Detected in Tissue of Burkitt's Lymphoma and Nasopharyngeal Carcinoma

Absence of the sequence G-T-Ψ-C-G-(A)- in several eukaryotic cytoplasmic initiator transfer RNAs