Table of Contents

N.A.S. Annual Meeting—Scientific Program and Abstracts of Contributed Pap ers: ABSTRACTS OF PAPERS PRESENTED AT THE ANNUAL MEETING OF THE NATIONAL ACADEMY OF SCIENCES (USA), WASHINGTON, D.C., 23-25 APRIL 1973

• Jui H. Wang
• and Eva Copeland

Equilibrium Potentials of Membrane Electrodes

• I. M. Kolthoff,
• K. Yamashita,
• Tan Boen Hie,
• and A. Kanbe

Characteristics of Polarographic Catalytic Waves Observed with Bovine-Serum Albumin: Kinetic or Diffusion Control

• Roderich Walter,
• K. U. M. Prasad,
• Roxanne Deslauriers,
• and Ian C. P. Smith

Conformational Studies of Oxytocin, Lysine Vasopressin, Arginine Vasopressin, and Arginine Vasotocin by Carbon-13 Nuclear Magnetic Resonance Spectroscopy

• Richard L. Davidson,
• S. J. Adelstein,
• and Michael N. Oxman

Herpes Simplex Virus as a Source of Thymidine Kinase for Thymidine Kinase-Deficient Mouse Cells: Suppression and Reactivation of the Viral Enzyme

• F. Ritossa

Crossing-Over Between X and Y Chromosomes During Ribosomal DNA Magnification in Drosophila melanogaster

• T. Yamada,
• K. O. Yanagisawa,
• H. Ono,
• and K. Yanagisawa

Genetic Analysis of Developmental Stages of the Cellular Slime Mold Dictyostelium purpureum

• Jonathan Jarvik
• and David Botstein

A Genetic Method for Determining the Order of Events in a Biological Pathway

• Stuart A. Aaronson
• and John R. Stephenson

Independent Segregation of Loci for Activation of Biologically Distinguishable RNA C-Type Viruses in Mouse Cells

• Ellen Daniell,
• William Boram,
• and John Abelson

Genetic Mapping of the Inversion Loop in Bacteriophage Mu DNA

• C. E. Buckley, III,
• F. C. Dorsey,
• R. B. Corley,
• W. B. Ralph,
• M. A. Woodbury,
• and D. B. Amos

HL-A-Linked Human Immune-Response Genes

• John P. Reeves,
• Jen-Shiang Hong,
• and H. Ronald Kaback

Reconstitution of D-Lactate-Dependent Transport in Membrane Vesicles from a D-Lactate Dehydrogenase Mutant of Escherichia coli

• Kenneth Cowan,
• Peter Tegtmeyer,
• and D. D. Anthony

Relationship of Replication and Transcription of Simian Virus 40 DNA

• Knud H. Nierhaus
• and Vicente Montejo

A Protein Involved in the Peptidyltransferase Activity of Escherichia coli Ribosomes

• Rajarshi Mazumder

Effect of Thiostrepton on Recycling of Escherichia coli Initiation Factor 2

• Richard M. Burger
• and Donald A. Glaser

Effect of Nalidixic Acid on DNA Replication by Toluene-Treated Escherichia coli

• Jannis G. Stavrianopoulos
• and Erwin Chargaff

Purification and Properties of Ribonuclease H of Calf Thymus

• Margaret J. Adams,
• Manfred Buehner,
• K. Chandrasekhar,
• Geoffrey C. Ford,
• Marvin L. Hackert,
• Anders Liljas,
• Michael G. Rossmann,
• Ira E. Smiley,
• William S. Allison,
• Johannes Everse,
• Nathan O. Kaplan,
• and Susan S. Taylor

Structure-Function Relationships in Lactate Dehydrogenase

• Alfred E. Mirsky
• and Bert Silverman

Effects of Selective Extraction of Histones on Template Activities of Chromatin by Use of Exogenous DNA and RNA Polymerases

• F. Dorner,
• M. Scriba,
• and R. Weil

Interferon: Evidence for Its Glycoprotein Nature

• Raja G. Khalifah

Carbon Dioxide Hydration Activity of Carbonic Anhydrase: Paradoxical Consequences of the Unusually Rapid Catalysis

• Yoshiko Shimizu,
• Nobuyoshi Shimizu,
• and Masaki Hayashi

In Vitro Repression of Transcription of the Trytophan Operon by trp Repressor

• J. T. Johansen
• and B. L. Vallee

Conformations of Arsanilazotyrosine-248 Carboxypeptidase A α,β,γ . Comparison of Crystals and Solution

• Nurith Shaklai,
• Nava Zisapel,
• and Mordechai Sokolovsky

The Role of a Tyrosyl Residue in the Mechanism of Action of Carboxypeptidase B: Luminescence Studies

• Richard Axel,
• Howard Cedar,
• and Gary Felsenfeld

Synthesis of Globin Ribonucleic Acid from Duck-Reticulocyte Chromatin In Vitro

• R. G. Shulman,
• C. W. Hilbers,
• Yeng P. Wong,
• K. Lim Wong,
• Donald R. Lightfoot,
• Brian R. Reid,
• and David R. Kearns

Determination of Secondary and Tertiary Structural Features of Transfer RNA Molecules in Solution by Nuclear Magnetic Resonance

• Haruo Suzuki
• and Harvey A. Itano

Delayed Removal of N-Terminal Methionine from Nascent Globin Chains in Sickle-Cell Anemia Reticulocytes

• G. Vecchio,
• N. Tsuchida,
• G. Shanmugam,
• and M. Green

Virus-Specific Messenger RNA and Nascent Polypeptides in Polyribosomes of Cells Replicating Murine Sarcoma-Leukemia Viruses

• O. P. Malhotra
• and Sidney A. Bernhard

Activation of a Covalent Enzyme-Substrate Bond by Noncovalent Interaction with an Effector

• Paul Schedl
• and Paul Primakoff

Mutants of Escherichia coli Thermosensitive for the Synthesis of Transfer RNA

• S. Silverstein,
• S. L. Bachenheimer,
• N. Frenkel,
• and B. Roizman

Relationship Between Post-Transcriptional Adenylation of Herpes Virus RNA and Messenger RNA Abundance

• Arthur B. Robinson,
• Karen Irving,
• and Mary McCrea

Acceleration of the Rate of Deamidation of GlyArgAsnArgGly and of Human Transferrin by Addition of l -Ascorbic Acid

• James T. Sparrow,
• Antonio M. Gotto, Jr.,
• and Joel D. Morrisett

Chemical Synthesis and Biochemical Properties of Peptide Fragments of Apolipoprotein-Alanine

• U. Nudel,
• B. Lebleu,
• and M. Revel

Discrimination between Messenger Ribonucleic Acids by a Mammalian Translation Initiation Factor

• Jose Sy,
• Yasuo Ogawa,
• and Fritz Lipmann

Nonribosomal Synthesis of Guanosine 5′,3′-Polyphosphates by the Ribosomal Wash of Stringent Escherichia coli

• Alan Peterkofsky
• and Celia Gazdar

Measurements of Rates of Adenosine 3′:5′-Cyclic Monophosphate Synthesis in Intact Escherichia coli B

• Stanley Bram

Variation of Type-B DNA X-Ray Fiber Diagrams with Base Composition

• Alvaro Puga,
• María-Teresa Borrás,
• Ethel S. Tessman,
• and Irwin Tessman

Difference Between Functional and Structural Integrity of Messenger RNA

• Tamiko Kano-Sueoka
• and Philip Hsieh

A Rat Mammary Carcinoma In Vivo and In Vitro : Establishment of Clonal Lines of the Tumor

• R. L. Church,
• M. L. Tanzer,
• and S. E. Pfeiffer

Collagen and Procollagen Production by a Clonal Line of Schwann Cells

• Bohdan Bakay,
• Carlo M. Croce,
• Hilary Koprowski,
• and William L. Nyhan

Restoration of Hypoxanthine Phosphoribosyl Transferase Activity in Mouse 1R Cells After Fusion with Chick-Embryo Fibroblasts

• V. I. Guelstein,
• O. Yu. Ivanova,
• L. B. Margolis,
• Ju. M. Vasiliev,
• and I. M. Gelfand

Contact Inhibition of Movement in the Cultures of Transformed Cells

• Ulf Henning,
• Kurt Rehn,
• and Barbara Hoehn

Cell Envelope and Shape of Escherichia coli K12

• Ming-Jer Tsai
• and Grady F. Saunders

Action of Rifamycin Derivatives on RNA Polymerase of Human Leukemic Lymphocytes

• Michael S. Brown,
• Suzanna E. Dana,
• and Joseph L. Goldstein

Regulation of 3-Hydroxy-3-Methylglutaryl Coenzyme A Reductase Activity in Human Fibroblasts by Lipoproteins

• Geerat J. Vermeij

Biological Versatility and Earth History

• Jeffrey B. Graham

Heat Exchnage in the Black Skipjack, and the Blood-Gas Relationship of Warm-Bodied Fishes

• Colin S. Pittendrigh,
• Patricia C. Caldarola,
• and Elizabeth S. Cosbey

A Differential Effect of Heavy Water on Temperature-Dependent and Temperature-Compensated Aspects of the Circadian System of Drosophila pseudoobscura

• J. R. Whittaker

Segregation During Ascidian Embryogenesis of Egg Cytoplasmic Information for Tissue-Specific Enzyme Development

• Eric J. Simon,
• Jacob M. Hiller,
• and Irit Edelman

Stereospecific Binding of the Potent Narcotic Analgesic [ 3 H]Etorphine to Rat-Brain Homogenate

• Stuart P. Feldman,
• J. Schlom,
• and S. Spiegelman

Further Evidence for Oncornaviruses in Human Milk: The Production of Cores

• Richard J. Havel
• and John P. Kane

Primary Dysbetalipoproteinemia: Predominance of a Specific Apoprotein Species in Triglyceride-Rich Lipoproteins

• Gideon Bach,
• Frank Eisenberg, Jr.,
• Michael Cantz,
• and Elizabeth F. Neufeld

The Defect in the Hunter Syndrome: Deficiency of Sulfoiduronate Sulfatase

• Alan M. Gross

A Robust Confidence Interval for Location for Symmetric, Long-Tailed Distributions

• P. Burtin
• and M. C. Gendron

A Tumor-Associated Antigen in Human Nephroblastomas

• Italo M. Cesari
• and Martin Weigert

Mouse Lambda-Chain Sequences

• Jacques M. Chiller,
• Barry J. Skidmore,
• David C. Morrison,
• and William O. Weigle

Relationship of the Structure of Bacterial Lipopolysaccharides to Its Function in Mitogenesis and Adjuvanticity

• James A. Yorke
• and William N. Anderson, Jr.

Predator-Prey Patterns

• R. A. Gasanov
• and C. S. French

Chlorophyll Composition and Photochemical Activity of Photosystems Detached from Chloroplast Grana and Stroma Lamellae

• Michael Doyle
• and John J. Holland

Prophylaxis and Immunization in Mice by Use of Virus-Free Defective T Particles to Protect Against Intracerebral Infection by Vesicular Stomatitis Virus

• R. S. Howk,
• L. A. Rye,
• L. A. Killeen,
• E. M. Scolnick,
• and W. P. Parks

Characterization and Separation of Viral DNA Polymerase in Mouse Milk

• Paul A. Samuelson

Optimality of Profit-Including Prices Under Ideal Planning

Altered chloroplast ribosomal proteins associ