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This journal provides immediate access to some articles. Volume 70(4); April 1973 “Recommended Daily Allowances” for Vitamin C PMCID: PMC433403 Isolation and Characterization of Two Glycoproteins from Patients with Alveolar Proteinosis PMCID: PMC433404 Deficient DNA Repair in Human Progeroid Cells PMCID: PMC433405 Membrane Sealing in Frog Skeletal-Muscle Fibers PMCID: PMC433406 Asymptotic Formula for the Coordinates of the Zeros of Sections of the Zeta Function, ζN(s), Near s = 1 PMCID: PMC433407 Proposed Molecular Mechanism for the Action of Molybdenum in Enzymes: Coupled Proton and Electron Transfer PMCID: PMC433408 Magnetic Dipole-Dipole Coupled Cu(II) Pairs in Nitric Oxide-Treated Tyrosinase: A Structural Relationship Between the Active Sites of Tyrosinase and Hemocyanin PMCID: PMC433409 A Physiological Mechanism for Hebb's Postulate of Learning PMCID: PMC433410 Ultraviolet Patterns on Rear of Flowers: Basis of Disparity of Buds and Blossoms PMCID: PMC433411 Generalized Isoperimetric Inequalities PMCID: PMC433412 Binding of 13C-Enriched α-Methyl-D-Glucopyranoside to Concanavalin A as Studied by Carbon Magnetic Resonance PMCID: PMC433413 Concanavalin A Derivatives with Altered Biological Activities PMCID: PMC433414 A Mutant Transcription Factor That is Activated by 3′:5′-Cyclic Guanosine Monophosphate PMCID: PMC433415 Effect of Hemin on the Synthesis of Hemoglobin and Other Proteins in Mammalian Cells PMCID: PMC433416 Nuclear Magnetic Resonance Spectroscopy. 13C Fourier Transform Spectra of Δ8- and Δ9-Tetrahydrocannabinol PMCID: PMC433417 Interaction of Amines with Ketone Aldehydes and Unsaturated Aldehydes PMCID: PMC433418 Nonvirion Antigens Produced by Herpes Simplex Viruses 1 and 2 PMCID: PMC433419 Purification of Mouse Interferon by Affinity Chromatography on a Solid-Phase Immunoadsorbent PMCID: PMC433420 Absence of the Sequence G-T-Ψ-C-G(A)- in Several Eukaryotic Cytoplasmic Initiator Transfer RNAs PMCID: PMC433421 Evidence for the Absence of the G-T-Ψ-C Sequence From Two Mammalian Initiator Transfer RNAs PMCID: PMC433422 Neurophysiology of Flight in Wild-Type and a Mutant Drosophila PMCID: PMC433423 Transformation of Chick-Embryo Fibroblasts by Wild-Type and Temperature-Sensitive Rous Sarcoma Virus Alters Adenylate Cyclase Activity PMCID: PMC433424 Oligoclonal IgG Antibody Response in the Central Nervous System to Different Measles Virus Antigens in Subacute Sclerosing Panencephalitis PMCID: PMC433425 Repair of DNA Containing Interstrand Crosslinks in Escherichia coli: Sequential Excision and Recombination PMCID: PMC433426 A Nucleic Acid Associated with a Killer Strain of Yeast PMCID: PMC433427 Protein Hal: Partial Deletion of a “γ” Immunoglobulin Gene(s) and Apparent Reinitiation at an Internal AUG Codon PMCID: PMC433428 Regulation by N Gene Protein of Phage Lambda of Anthranilate Synthetase Synthesis In Vitro PMCID: PMC433429 Replication of DNA in Mammalian Chromosomes: Isolation of Replicating Segments PMCID: PMC433430 Effects of Adrenal Glucocorticoids on Polyoma Virus Replication PMCID: PMC433431 Activation of Prolyl Hydroxylase in L-929 Fibroblasts by Ascorbic Acid PMCID: PMC433432 Chromosomal Abnormalities in Spleens of New Zealand Black Mice, A Strain Characterized by Autoimmunity and Malignancy PMCID: PMC433433 Adenosine 3′:5′-Cyclic Monophosphate in Chlamydomonas reinhardtii: Isolation and Characterization PMCID: PMC433434 Structure of Fibers of Sickle Cell Hemoglobin PMCID: PMC433435 Ly-4, A New Locus Determining a Lymphocyte Cell-Surface Alloantigen in Mice PMCID: PMC433436 Nucleotide Sequence Divergence in the α-Chain-Structural Genes of Tryptophan Synthetase from Escherichia coli, Salmonella typhimurium, and Aerobacter aerogenes PMCID: PMC433437 Aspartate Transcarbamoylase from Escherichia coli: Electron Density at 5.5 Å Resolution PMCID: PMC433438 Demonstration of Globin Messenger Sequences in Giant Nuclear Precursors of Messenger RNA of Avian Erythroblasts PMCID: PMC433439 Isolation of Messenger RNA Coding for Mouse Heavy-Chain Immunoglobulin PMCID: PMC433440 Diazoacetyl Subtilisin PMCID: PMC433441 Genetic Regulation of Octane Dissimilation Plasmid in Pseudomonas PMCID: PMC433442 5-Hydroxymethyluracil in the DNA of a Dinoflagellate PMCID: PMC433443 Complex Formation Between Mycobacterial Polysaccharides and Fatty Acyl-CoA Derivatives PMCID: PMC433444 Polymorphism for Interspecific Cross-Compatibility in Phlox PMCID: PMC433445 The 3′-Terminal Nucleotide Sequences of Bacteriophage λ DNA PMCID: PMC433446 Adaptive Linkage Disequilibrium Between Two Esterase Loci of a Salamander PMCID: PMC433447 Transcription of Rat-Liver Chromatin with Homologous Enzyme PMCID: PMC433448 Proposed Tertiary Structure for the Hypothalamic Thyrotropin-Releasing Factor PMCID: PMC433449 Discriminating Neoantigenic Differences Between Fibrinogen and Fibrin Derivatives PMCID: PMC433450 Mechanism of Action of 1-β-D-Ribofuranosyl-1,2,4-Triazole-3-Carboxamide (Virazole), A New Broad-Spectrum Antiviral Agent PMCID: PMC433451 An RNA Polymerase Mutation Causing Temperature-Sensitive Sporulation in Bacillus subtilis PMCID: PMC433452 Amino-Acid Acceptor Activity of the “70S-Associated” 4S RNA from Avian Myeloblastosis Virus PMCID: PMC433453 Self-Fertilization and Genetic Population Structure in a Colonizing Land Snail PMCID: PMC433454 Na+-Selective Ionophoric Material Derived from Electric Organ and Kidney Membranes PMCID: PMC433455 Stimulation by Insulin of Cell Elongation and Microtubule Assembly in Embryonic Chick-Lens Epithelia PMCID: PMC433456 Proton Magnetic Resonance Study of Peptide Conformation: Effect of Trifluoroethanol on Oxytocin and 8-Lysine-Vasopressin PMCID: PMC433457 Inhibition of Murine Leukemia Virus Replication by Poly(vinyluracil) and Poly(vinyladenine) PMCID: PMC433458 Use of DNA Polymerase I Primed by a Synthetic Oligonucleotide to Determine a Nucleotide Sequence in Phage f1 DNA PMCID: PMC433459 Immobilized Catecholamine and Cocaine Effects on Contractility of Cardiac Muscle PMCID: PMC433460 Messenger RNA for Hepatic Tryptophan Oxygenase: Its Partial Purification, Its Translation in a Heterologous Cell-free System, and Its Control by Glucocorticoid Hormones PMCID: PMC433461 Inhibition of Cellular Protein Synthesis by Double-Stranded RNA: Inactivation of an Initiation Factor PMCID: PMC433462 Comments on the paper "experimental evidence of an x-ray laser". PMCID: PMC433463 Primer Requirement and Template Specificity of a DNA Polymerase of Chick Embryo PMCID: PMC433464 Partial Inhibition of Polysomal Ribosomes of Escherichia coli by Streptomycin PMCID: PMC433465 Fusion of Phospholipid Vesicles with Viable Acholeplasma laidlawii PMCID: PMC433466 On the Relation Between λ Lines and Phase Separations PMCID: PMC433467 Direct Measurement of the pK Values of an Alkaline Bohr Group in Human Hemoglobin PMCID: PMC433468 Continuous Propagation of Radiation Leukemia Virus on a C57BL Mouse-Embryo Fibroblast Line, with Attenuation of Leukemogenic Activity PMCID: PMC433469 A 5′-Adenosine Monophosphate-Dependent Adenylate Cyclase and an Adenosine 3′:5′-Cyclic Monophosphate-Dependent Adenosine Triphosphate Pyrophosphohydrolase in Dictyostelium discoideum PMCID: PMC433470 Transfer of Genetic Information by Purified Metaphase Chromosomes PMCID: PMC433471 Do Cells Cycle? PMCID: PMC433472 Human Regulatory Gene for Inducible Tyrosine Aminotransferase in Rat-Human Hybrids PMCID: PMC433473 A Temperature-Sensitive Mutation Affecting 28S Ribosomal RNA Production in Mammalian Cells PMCID: PMC433474 Neuropsychological studies in the USSR. A review (part II). PMCID: PMC433475 Corrections A single subunit from avian myeloblastosis virus with both RNA-directed DNA polymerase and ribonuclease H activity PMCID: PMC433476 Corrects: A Single Subunit from Avian Myeloblastosis Virus with Both RNA-Directed DNA Polymerase and Ribonuclease H Activity. Proc Natl Acad Sci U S A. 1973 January; 70(1): 230–234. Ion-diffusion potentials and electrical rectification across lipid membranes activated by excitation-induced material PMCID: PMC433477 Corrects: Ion-Diffusion Potentials and Electrical Rectification Across Lipid Membranes Activated by Excitation-Induced Material. Proc Natl Acad Sci U S A. 1972 December; 69(12): 3765–3768. RNA-linked DNA fragments in vitro PMCID: PMC433478 Corrects: RNA-Linked DNA Fragments In Vitro. Proc Natl Acad Sci U S A. 1973 January; 70(1): 88–92. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||
