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This journal provides immediate access to some articles. Volume 70(5); May 1973 Article N.A.S. Autumn Meeting—Scientific Program and Abstracts of Contributed Papers: ABSTRACTS OF PAPERS PRESENTED AT THE AUTUMN MEETING OF THE NATIONAL ACADEMY OF SCIENCES USA, WASHINGTON, D.C., 16 OCTOBER 1972 PMCID: PMC433556 Biological Sciences: Anthropology Racemization Reaction of Aspartic Acid and Its Use in Dating Fossil Bones PMCID: PMC433490 Biological Sciences: Biochemistry Recircularization and Autonomous Replication of a Sheared R-Factor DNA Segment in Escherichia coli Transformants PMCID: PMC433482 Acetylation of Sickle Cell Hemoglobin by Aspirin PMCID: PMC433486 Comparison of Nucleolar Proteins of Normal Rat Liver and Novikoff Hepatoma Ascites Cells by Two-Dimensional Polyacrylamide Gel Electrophoresis PMCID: PMC433487 Accessibility of DNA in Chromatin to DNA Polymerase and RNA Polymerase PMCID: PMC433489 A Polypeptide Region of Bovine Prothrombin Specific for Binding to Phospholipids PMCID: PMC433493 Sequence Homology at the 5′-Termini of Insect Messenger RNAs PMCID: PMC433496 Metabolism of Membrane Phospholipids and Its Relation to a Novel Class of Oligosaccharides in Escherichia coli PMCID: PMC433499 Cell-Free Synthesis of Procollagen: L-929 Fibroblasts as a Cellular Model for Dermatosparaxis PMCID: PMC433501 Effect of Insulin on the Growth Pattern and Adenylate Cyclase Activity of BHK Fibroblasts PMCID: PMC433503 Orientation and Motion of Amphiphilic Spin Labels in Hexagonal Lipid Phases PMCID: PMC433507 Interaction of 13CO2 and Bicarbonate with Human Hemoglobin Preparations PMCID: PMC433509 Mapping of Escherichia coli Ribosomal Components Involved in Peptidyl Transferase Activity PMCID: PMC433511 The γ-Glutamyl Cycle in the Choroid Plexus: Its Possible Function in Amino Acid Transport PMCID: PMC433516 Conformational Analysis of Thyrotropin Releasing Factor PMCID: PMC433518 Evidence for an Amino-Terminal Extension in High-Molecular-Weight Collagens from Mature Bovine Skin PMCID: PMC433520 Association of the rIIA Protein with the Bacterial Membrane PMCID: PMC433521 The Influence of Nearest-Neighbor Amino Acids on the Conformation of the Middle Amino Acid in Proteins: Comparison of Predicted and Experimental Determination of β-Sheets in Concanavalin A PMCID: PMC433522 Atypical Pattern of Utilization of Amino Acids for Mitochondrial Protein Synthesis in HeLa Cells PMCID: PMC433526 Concerted Formation of the Gel of Hemoglobin S PMCID: PMC433530 Different Mechanisms of Energy Coupling for the Active Transport of Proline and Glutamine in Escherichia coli PMCID: PMC433532 Biosynthesis of Reticulocyte Membrane Proteins by Membrane-Free Polyribosomes PMCID: PMC433535 Multiple Repressor Binding at the Operators in Bacteriophage λ PMCID: PMC433536 Heme Proteins: Effect of an Intermediate on Photochemical Behavior PMCID: PMC433540 T7 Early RNAs are Generated by Site-Specific Cleavages PMCID: PMC433542 Synthesis of Guanosine Tetra- and Pentaphosphate Requires the Presence of a Codon-Specific, Uncharged Transfer Ribonucleic Acid in the Acceptor Site of Ribosomes PMCID: PMC433543 A Quantitative Assay for Intercellular Adhesion PMCID: PMC433544 A Bound Form of Silicon in Glycosaminoglycans and Polyuronides PMCID: PMC433552 Biological Sciences: Cell Biology Membrane Intercalated Particles in Human Erythrocyte Ghosts: Sites of Preferred Passage of Water Molecules at Low Temperature PMCID: PMC433492 Sugar Effects on Murine Sarcoma Virus Transformation PMCID: PMC433498 Stimulation of Eukaryotic DNA-Dependent RNA Polymerase by Protein Factors PMCID: PMC433502 Subunits of Human Chorionic Gonadotropin: Unbalanced Synthesis and Secretion by Clonal Cell Strains Derived from a Bronchogenic Carcinoma PMCID: PMC433510 Pleiotypic Control by Adenosine 3′:5′-Cyclic Monophosphate: A Model for Growth Control in Animal Cells PMCID: PMC433513 Receptor Mobility and Receptor-Cytoplasmic Interactions in Lymphocytes PMCID: PMC433515 Differentiation of Lens Tissue from the Progeny of Chick Retinal Pigment Cells Cultured In Vitro: A Demonstration of a Switch of Cell Types in Clonal Cell Culture PMCID: PMC433527 Differential Transport of Protein in Axons: Comparison Between the Sciatic Nerve and Dorsal Columns of Cats PMCID: PMC433534 125I-Labeled DNA·RNA Hybrids in Cytological Preparations PMCID: PMC433537 Attachment of Chloroplast Polysomes to Thylakoid Membranes in Chlamydomonas reinhardtii PMCID: PMC433541 Virus-Like Particles in an Extranuclear Mutant of Neurospora crassa PMCID: PMC433545 Biological Sciences: Genetics Genetic Model for the Rh Blood-Group System PMCID: PMC433484 Genetic Control of Development in Volvox: Isolation and Characterization of Morphogenetic Mutants PMCID: PMC433491 Independent Control of Ribosomal Gene Replication in Polytene Chromosomes of Drosophila melanogaster PMCID: PMC433497 Synchronous Mating in Yeast PMCID: PMC433500 Isolation and Characterization of HL-A Variants in Cultured Human Lymphoid Cells PMCID: PMC433505 Mutational Analysis of a Regulatory Gene for Morphogenesis in Schizophyllum PMCID: PMC433512 Biological Sciences: Immunology Host-Gene Control of Type-C RNA Tumor Virus Expression and Tumorigenesis in Inbred Mice PMCID: PMC433517 Topographical Location of H—Y Antigen on Mouse Spermatozoa by Immunoelectronmicroscopy PMCID: PMC433529 Localization of Idiotypic Antigenic Determinants in the Fv Region of Murine Myeloma Protein MOPC-315 PMCID: PMC433547 Antigenic Properties of Endogenous Type-C Viruses from Spontaneously Transformed Clones of BALB/3T3 PMCID: PMC433550 Papain-Solubilized HL-A Antigens from Cultured Human Lymphocytes Contain Two Peptide Fragments PMCID: PMC433551 Biological Sciences: Medical Sciences RNA-Directed DNA Polymerase and Virus-Induced Leukemia in Mice PMCID: PMC433483 Polychlorinated Biphenyls: A New Type of Inducer of Cytochrome P-448 in the Liver PMCID: PMC433488 The Reaction of N-Iodosuccinimide with the Goitrogens: A Model for the Active Iodine of the Thyroid Gland PMCID: PMC433506 Determination of Natural Host Taxonomy of RNA Tumor Viruses by Molecular Hybridization: Application to RD-114, a Candidate Human Virus PMCID: PMC433514 A Tumor Antigen in Tissue Cultures Derived from Patients with Hodgkin's Disease PMCID: PMC433538 Tropism of Mycoplasma gallisepticum for Arterial Walls PMCID: PMC433539 Biological Sciences: Microbiology Purification of Oncornaviruses by Agglutination with Concanavalin A PMCID: PMC433485 Regulation of the β-Methylgalactoside Transport System and the Galactose-Binding Protein by the Cell Cycle of Escherichia coli PMCID: PMC433524 Biological Sciences: Pathology Carcinogen-Induced Chromosomal Breakage Decreased by Antioxidants PMCID: PMC433519 Biological Sciences: Physiology Countercurrent Separation: A New Method for Studying Behavior of Small Aquatic Organisms PMCID: PMC433494 Cats Reared in Stroboscopic Illumination: Effects on Receptive Fields in Visual Cortex PMCID: PMC433495 Organization of Memory PMCID: PMC433523 Biological Sciences: Zoology Effects of Continuous Noise on Avian Hearing and Vocal Development PMCID: PMC433504 Physical Sciences: Biochemistry Studies on In Vitro DNA Synthesis Purification of the dna G Gene Product from Escherichia coli PMCID: PMC433553 Physical Sciences: Chemistry Isolation, Structure, and Absolute Configuration of a New Natural Insect Juvenile Hormone from Manduca sexta PMCID: PMC433531 Carbon-13 Nuclear Magnetic Resonance Spectra of Prostaglandins and Some Prostaglandin Analogs PMCID: PMC433546 Application of the Singular Perturbation Method to Reaction Kinetics PMCID: PMC433548 Conformations of Diphosphopyridine Coenzymes upon Binding to Dehydrogenases PMCID: PMC433549 Physical Sciences: Geology An Ecological Theory for the Sudden Origin of Multicellular Life in the Late Precambrian PMCID: PMC433525 Physical Sciences: Geophysics An Informative Solution to a Seismological Inverse Problem PMCID: PMC433508 Physical Sciences: Mathematics Classes of Spatially Inhomogeneous Pseudodifferential Operators PMCID: PMC433528 Minimax Principles for the Solution of Semilinear Gradient Operator Equations in Hilbert Space PMCID: PMC433533 Corrections Assembly of rod-shaped virus in vitro: Reconstitution with cucumber green mottle mosaic virus protein and tobacco mosaic virus RNA PMCID: PMC433554 Corrects: Assembly of Rod-Shaped Virus In Vitro: Reconstitution with Cucumber Green Mottle Mosaic Virus Protein and Tobacco Mosaic Virus RNA. Proc Natl Acad Sci U S A. 1972 December; 69(12): 3680–3683. Structural and functional properties of ribosomes crosslinked with dimethylsuberimidate PMCID: PMC433555 Corrects: Structural and Functional Properties of Ribosomes Crosslinked with Dimethylsuberimidate. Proc Natl Acad Sci U S A. 1972 December; 69(12): 3769–3773. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||