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This journal provides immediate access to some articles. Volume 70(10); October 1973 Observations on the pH Dependence of the Glutaminase Activity of a Glutamine Amidotransferase, Carbamylphosphate Synthetase PMCID: PMC427094 Dansyl-Galactoside, a Fluorescent Probe of Active Transport in Bacterial Membrane Vesicles PMCID: PMC427095 Differentiation in Nostoc muscorum: Nitrogenase Is Synthesized in Heterocysts PMCID: PMC427096 Theory of Muscular Contraction Extended to Groups of Actin Sites PMCID: PMC427097 Regional Localization of Loci for Human PGM1 and 6PGD on Human Chromosome One by Use of Hybrids of Chinese Hamster-Human Somatic Cells PMCID: PMC427098 Stimulation of Steroid Secretion in Adrenal Tumor Cells by Choleragen PMCID: PMC427099 Sodium Dynamics in a Northern Ecosystem PMCID: PMC427100 Human Phosphoribosylpyrophosphate Synthetase: Increased Enzyme Specific Activity in a Family with Gout and Excessive Purine Synthesis PMCID: PMC427101 A Method for Detecting Pyrimidine Dimers in the DNA of Bacteria Irradiated with Low Doses of Ultraviolet Light PMCID: PMC427102 Autoregulation: A Role for a Biosynthetic Enzyme in the Control of Gene Expression PMCID: PMC427103 Ribosomal Assembly Influenced by Growth in the Presence of Streptomycin PMCID: PMC427104 Immunochemical Demonstration of Increased Accumulation of Tyrosine Hydroxylase Protein in Sympathetic Ganglia and Adrenal Medulla Elicited by Reserpine PMCID: PMC427105 A Family of Three Related Satellite DNAs in Drosophila virilis PMCID: PMC427106 Induction of Immunological Tolerance in Bone Marrow-Derived Lymphocytes of the IgE Antibody Class PMCID: PMC427107 The Molecule Microscope: A New Instrument for Biological and Biomedical Research PMCID: PMC427108 Enhancement by Interferon of the Expression of Surface Antigens on Murine Leukemia L 1210 Cells PMCID: PMC427109 Particles with RNA of High Molecular Weight and RNA-Directed DNA Polymerase in Human Brain Tumors PMCID: PMC427110 Specific Recognition of Plasma Membranes by Embryonic Cells PMCID: PMC427111 Identification of 50S Proteins at the Peptidyl-tRNA Binding Site of Escherichia coli Ribosomes PMCID: PMC427112 Familial Hypercholesterolemia: Identification of a Defect in the Regulation of 3-Hydroxy-3-Methylglutaryl Coenzyme A Reductase Activity Associated with Overproduction of Cholesterol PMCID: PMC427113 Prediction of the Amount of Secondary Structure in a Globular Protein from Its Aminoacid Composition PMCID: PMC427114 Plasma Aggregating Factor (Bovine) for Human Platelets: A Marker for Study of Antihemophilic and von Willebrand Factors PMCID: PMC427115 Regulation of RNA Synthesis in Fibroblasts During Transition from Resting to Growing State PMCID: PMC427116 Methionine Transfer Ribonucleic Acids of Avian Myeloblastosis Virus PMCID: PMC427117 Secondary Structure Maps of RNA: Processing of HeLa Ribosomal RNA PMCID: PMC427118 Strychnine Binding Associated with Glycine Receptors of the Central Nervous System PMCID: PMC427119 A New Concept for Energy Coupling in Oxidative Phosphorylation Based on a Molecular Explanation of the Oxygen Exchange Reactions PMCID: PMC427120 Maternal Histone Messenger RNA: Detection by Molecular Hybridization PMCID: PMC427121 Modification of RNA Polymerase after T3 Phage Infection of Escherichia coli B PMCID: PMC427122 Resolution of DL-Tryptophan by Affinity Chromatography on Bovine-Serum Albumin-Agarose Columns PMCID: PMC427123 Functions of a New Photoreceptor Membrane PMCID: PMC427124 Substrate Binding to an Active Creatine Kinase with a Thiol-Bound Mercurinitrophenol Chromophoric Probe PMCID: PMC427125 Multiple Common Properties of Human β2-Microglobulin and the Common Portion Fragment Derived from HL-A Antigen Molecules PMCID: PMC427126 Proton-Coupled Accumulation of Galactoside in Streptococcus lactis 7962 PMCID: PMC427127 ATPase and GTPase Activities Associated with a Specific 5S RNA-Protein Complex PMCID: PMC427128 A Specific Inhibitor of Polypeptide-Chain Initiation in Escherichia coli PMCID: PMC427129 Absence of Detectable IgM in Enzymatically or Biosynthetically Labeled Thymus-Derived Lymphocytes PMCID: PMC427130 Isolation of Circular DNA Molecules from Whole Cellular DNA by Use of ATP-Dependent Deoxyribonuclease PMCID: PMC427131 Linear Association Between Cellular DNA and Epstein-Barr Virus DNA in a Human Lymphoblastoid Cell Line PMCID: PMC427132 Identification of Chick Chromosomes in Cell Hybrids Formed Between Chick Erythrocytes and Adenine-Requiring Mutants of Chinese Hamster Cells PMCID: PMC427133 Nuclear Magnetic Resonance Study of Hydrogen-Bonded Ring Protons in Watson-Crick Base Pairs PMCID: PMC427134 Regulation of Acetylcholine Receptors in Relation to Acetylcholinesterase in Neuroblastoma Cells PMCID: PMC427135 A Mutant of 3T3 Cells with Cyclic AMP Metabolism Sensitive to Temperature Change PMCID: PMC427136 Isolation of Escherichia coli RNA Polymerase Binding Sites on T5 and T7 DNA: Further Evidence for Sigma-Dependent Recognition of A-T-Rich DNA Sequences PMCID: PMC427137 Mechanisms of Lysosomal Enzyme Release from Human Leukocytes: Microtubule Assembly and Membrane Fusion Induced by a Component of Complement PMCID: PMC427138 Biosynthesis of the Juvenile Hormones of Manduca sexta: Labeling Pattern from Mevalonate, Propionate, and Acetate PMCID: PMC427139 The Amplification of Ribosomal RNA Genes Involves a Rolling Circle Intermediate PMCID: PMC427140 Interaction of Nerve Growth Factor with Surface Membranes: Biological Competence of Insolubilized Nerve Growth Factor PMCID: PMC427141 Structural Comparison of Ectopic and Normal Placental Alkaline Phosphatase PMCID: PMC427142 Oxidation-Reduction Potentials of Bound Iron-Sulfur Proteins of Photosystem I PMCID: PMC427143 Survey of DNA Polymerase Activity During the Early Development of Drosophila melanogaster PMCID: PMC427144 Dynamics of Metabolism of Normal and Virus-Transformed Chick Cells in Culture PMCID: PMC427145 Effects of 5-Bromo-2′-Deoxyuridine on Production of Globin Messenger RNA in Dimethyl Sulfoxide-Stimulated Friend Leukemia Cells PMCID: PMC427146 Direct Evidence for Messenger Activity of Influenza Virion RNA PMCID: PMC427147 Epidermal Growth Factor: Receptors in Human Fibroblasts and Modulation of Action by Cholera Toxin PMCID: PMC427148 In Vivo Splicing of Protein: One Continuous Polypeptide from Two Independently Functioning Operons PMCID: PMC427149 A Theory of the Epigenesis of Neuronal Networks by Selective Stabilization of Synapses PMCID: PMC427150 Linear Electric Field-Induced Shifts in Electron Paramagnetic Resonance: A New Method for Study of the Ligands of Cytochrome P-450 PMCID: PMC427151 In Vitro Production of Mouse Mammary Tumor Virus in a Mouse Mammary Tumor Ascites Line PMCID: PMC427152 Surface Antigens Common to Mouse Cleavage Embryos and Primitive Teratocarcinoma Cells in Culture PMCID: PMC427153 Collagen Synthesis: A Disulfide-Linked Collagen Precursor in Chick Bone PMCID: PMC427154 Relation of Detergent HLB Number to Solubilization and Stabilization of D-Alanine Carboxypeptidase from Bacillus subtilis Membranes PMCID: PMC427155 Characterization of RNA from Noninfectious Virions Produced by Sarcoma Positive-Leukemia Negative Transformed 3T3 Cells PMCID: PMC427156 Directory of the National Academy of Sciences of the United States of America. PMCID: PMC427159 Corrections Membrane sealing in frog skeletal-muscle fibers PMCID: PMC427157 Corrects: Membrane Sealing in Frog Skeletal-Muscle Fibers. Proc Natl Acad Sci U S A. 1973 April; 70(4): 982–984. A DNA-binding protein induced by bacteriophatge T7 PMCID: PMC427158 Corrects: A DNA-Binding Protein Induced by Bacteriophage T7. Proc Natl Acad Sci U S A. 1973 June; 70(6): 1846–1850. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. Advertisements | ||