This journal provides immediate access to some articles. Volume 71(9); September 1974 Biological Sciences: Biochemistry Backbone Conformations in Secondary and Tertiary Structural Units of Nucleic Acids. Constraint in the Phosphodiester Conformation PMCID: PMC433763 Stimulation of the Hydrolytic Activity and Decrease of the Transpeptidase Activity of γ-Glutamyl Transpeptidase by Maleate; Identity of a Rat Kidney Maleate-Stimulated Glutaminase and γ-Glutamyl Transpeptidase PMCID: PMC433764 On the Mechanism of Action of Choline Acetyltransferase PMCID: PMC433770 Highly Purified Colicin E3 Contains Immunity Protein PMCID: PMC433776 Cell-Free Translation of Highly Purified Adenovirus Messenger RNA PMCID: PMC433777 The 7S RNA Common to Oncornaviruses and Normal Cells is Associated with Polyribosomes PMCID: PMC433778 RNA Polymerase Assembly In Vitro. Temperature Dependence of Reactivation of Denatured Core Enzyme PMCID: PMC433779 Prostaglandin Endoperoxides. Novel Transformations of Arachidonic Acid in Human Platelets PMCID: PMC433780 Role of DNA-Dependent RNA Polymerases II and III in Transcription of the Adenovirus Genome Late in Productive Infection PMCID: PMC433786 A Probabilistic Approach to Cooperativity of Ligand Binding by a Polyvalent Molecule PMCID: PMC433787 Use of Eukaryotic Native Small Ribosomal Subunits for the Translation of Globin Messenger RNA PMCID: PMC433788 Purification and Separation of Pyridine Nucleotide-Linked Dehydrogenases by Affinity Chromatography Techniques PMCID: PMC433791 Plasmid ColE1 as a Molecular Vehicle for Cloning and Amplification of DNA PMCID: PMC433792 Reversibility of the Pyrophosphoryl Transfer from ATP to GTP by Escherichia coli Stringent Factor PMCID: PMC433795 A Neuroblastoma × Glioma Hybrid Cell Line with Morphine Receptors PMCID: PMC433796 Sequence Arrangements in Clonal Isolates of Polyoma Defective DNA PMCID: PMC433801 Nucleotide Sequence Analysis of RNA Synthesized from Rabbit Globin Complementary DNA PMCID: PMC433802 A Ca++-Dependent and -Selective Ionophore as Part of the Ca++ + Mg++-Dependent Adenosinetriphosphatase of Sarcoplasmic Reticulum PMCID: PMC433806 Excision of Damaged Thymine Residues from Gamma-Irradiated Poly(dA-dT) by Crude Extracts of Escherichia coli PMCID: PMC433808 Packaging and Maturation of DNA of Bacteriophage T7 In Vitro PMCID: PMC433811 AKR Murine Leukemia Virus Genome: Frequency of Sequences in DNA of High-, Low-, and Non-Virus-Yielding Mouse Strains PMCID: PMC433813 The Nucleotide Sequence Complexity of Avian Tumor Virus RNA PMCID: PMC433814 Distribution of 5-Bromodeoxyuridine in the DNA of Rat Embryo Cells PMCID: PMC433816 Activation of Protein Kinase by Physiological Concentrations of Cyclic AMP PMCID: PMC433818 Intracellular Restraint: A New Basis for the Limitation in Response to Oxidative Stress in Human Erythrocytes Containing Low-Activity Variants of Glucose-6-Phosphate Dehydrogenase PMCID: PMC433819 Isolation of Exonuclease VIII: The Enzyme Associated with the sbcA Indirect Suppressor PMCID: PMC433821 Collagenase Production by Endotoxin-Activated Macrophages PMCID: PMC433822 Interaction of Escherichia coli 30S Ribosomal Subunits with MS2 Phage RNA in the Absence of Initiation Factors PMCID: PMC433825 The Primary Structure of High Density Apolipoprotein-Glutamine-I PMCID: PMC433829 Direction of Transcription of the Regulatory Gene araC in Escherichia coli B/r PMCID: PMC433830 Prostaglandin Synthetase System—Resolution into Oxygenase and Isomerase Components PMCID: PMC433832 An N-Glycosidase from Escherichia coli That Releases Free Uracil from DNA Containing Deaminated Cytosine Residues PMCID: PMC433833 Topology of Repeated Sequences: Relationship of Nuclear RNA to the Repeated Sequences of the Main and Satellite DNA in Mouse Plasmocytoma Cells PMCID: PMC433836 Agrobacterium tumefaciens DNA and PS8 Bacteriophage DNA Not Detected in Crown Gall Tumors PMCID: PMC433838 Quantitative Estimation of Agrobacterium tumefaciens DNA in Crown Gall Tumor Cells PMCID: PMC433839 Host Control of Endogenous Murine Leukemia Virus Gene Expression: Concentrations of Viral Proteins in High and Low Leukemia Mouse Strains PMCID: PMC433840 Change in State of Spin Labels Bound to Sarcoplasmic Reticulum with Change in Enzymic State, as Deduced from Ascorbate-Quenching Studies PMCID: PMC433841 13C Nuclear Magnetic Resonance Spectroscopic Evidence for Hydrophobic Lipid-Protein Interactions in Human High Density Lipoproteins PMCID: PMC433843 13C Nuclear Magnetic Resonance Spectroscopy of Native and Recombined Lipoproteins PMCID: PMC433844 Major DNA Polymerases Common to Different Xenopus laevis Cell Types PMCID: PMC433845 Pre-proparathyroid Hormone: A Direct Translation Product of Parathyroid Messenger RNA PMCID: PMC433850 Covalent Joining of Phenylalanine Transfer Ribonucleic Acid Half-Molecules by T4 RNA Ligase PMCID: PMC433852 Simian Virus 40 T Antigen Binds to DNA PMCID: PMC433855 Regulation of the Fatty Acid Composition of the Membrane Phospholipids of Escherichia coli PMCID: PMC433856 Biological Sciences: Biophysics The Mechanism of Muscle Contraction PMCID: PMC433767 Spectral-Kinetic Heterogeneity in Reactions of Nitrosyl Hemoglobin PMCID: PMC433771 The Wavelengths in Sunlight Effective in Producing Skin Cancer: A Theoretical Analysis PMCID: PMC433772 Electron Transfer Between Biological Molecules by Thermally Activated Tunneling PMCID: PMC433831 Energy Transfer Mechanisms in Mitochondria PMCID: PMC433837 Molecular Basis for the Photosynthetic Primary Process PMCID: PMC433842 Conversation of the Molecular Structure of Yeast Phenylalanine Transfer RNA in Two Crystal Forms PMCID: PMC433846 Biological Sciences: Cell Biology Reversible “Transformation” of Bromodeoxyuridine-Dependent Cells by Bromodeoxyuridine PMCID: PMC433766 Biological Activity of a Growth Factor for Ovarian Cells PMCID: PMC433774 The Pancreatic β-Cell Recognition of Insulin Secretagogues: Does Cyclic AMP Mediate the Effect of Glucose? PMCID: PMC433781 The Contribution of Subunits of Thyroid Stimulating Hormone to the Binding and Biological Activity of Thyrotropin PMCID: PMC433793 Isolation of a Major Cell Surface Glycoprotein from Fibroblasts PMCID: PMC433800 Different Blocks in the Differentiation of Myeloid Leukemic Cells PMCID: PMC433803 Constancy in Human Sperm DNA Content PMCID: PMC433804 Use of the Avidin-Biotin Complex for Specific Staining of Biological Membranes in Electron Microscopy PMCID: PMC433809 Inhibition of Murine Leukemia Virus Production in Chronically Infected AKR Cells: A Novel Effect of Interferon PMCID: PMC433810 Establishment of a Clone of Mouse Hypothalamic Neurosecretory Cells Synthesizing Neurophysin and Vasopressin PMCID: PMC433817 Evidence for Cholinergic Synapses Between Dissociated Rat Sympathetic Neurons in Cell Culture PMCID: PMC433823 The Influence of Non-Neuronal Cells on Catecholamine and Acetylcholine Synthesis and Accumulation in Cultures of Dissociated Sympathetic Neurons PMCID: PMC433824 Specification of Positional Information in Retinal Ganglion Cells of Xenopus laevis: Intra-Ocular Control of the Time of Specification PMCID: PMC433826 The Use of Cytochalasin B to Distinguish Myoblasts from Fibroblasts in Cultures of Developing Chick Striated Muscle PMCID: PMC433827 Morphology of Nucleolar Cistrons in a Plant Cell, Acetabularia mediterranea PMCID: PMC433828 Cell Surface Galactosyltransferase and Lectin Agglutination of Thymus and Spleen Lymphocytes PMCID: PMC433849 Analysis of the C-Value Paradox by Molecular Hybridization PMCID: PMC433853 Biological Sciences: Genetics Probability of Gene Fixation in an Expanding Finite Population PMCID: PMC433775 Dissociation and Interaction of Individual Components of a Degradative Plasmid Aggregate in Pseudomonas PMCID: PMC433782 Detection and Localization of Virus-Specific DNA by In Situ Hybridization of Cells During Infection and Rapid Transformation by the Murine Sarcoma-Leukemia Virus PMCID: PMC433784 A New Relaxed Mutant of Escherichia coli with an Altered 50S Ribosomal Subunit PMCID: PMC433794 Assignment of the Human Gene for Hexose-1-phosphate Uridylyltransferase to Chromosome 3 PMCID: PMC433798 The Localization of Transfer RNA5Lys Genes in Drosophila melanogaster PMCID: PMC433807 An Analysis of the Cost-of-Selection Concept PMCID: PMC433847 Biological Sciences: Immunology The Three-Dimensional Structure of the Fab′ Fragment of a Human Myeloma Immunoglobulin at 2.0-Å Resolution PMCID: PMC433789 Surface Antigens of Mammalian Sarcoma Virus-Transformed Nonproducer Cells PMCID: PMC433790 Variants of Mouse Myeloma Cells That Produce Short Immunoglobulin Heavy Chains PMCID: PMC433797 The Role of the Skin in Active Specific Immunization Against Leukemia in Guinea Pigs PMCID: PMC433812 Cellular Immunity Against Rous Sarcomas of Chickens. Preferential Reactivity Against Autochthonous Target Cells as Determined by Lymphocyte Adherence and Cytotoxicity Tests In Vitro PMCID: PMC433815 Genetic Control of Basal Serum Immunoglobulin E Level and Its Effect on Specific Reaginic Sensitivity PMCID: PMC433820 Organization of Immunoglobulin Genes: Reiteration Frequency of the Mouse κ Chain Constant Region Gene PMCID: PMC433835 Biological Sciences: Medical Sciences Material Isolated from Normal and Variant Human Liver that Immunologically Crossreacts with Alpha1-Antitrypsin PMCID: PMC433765 Changing the Actions of Neuroactive Drugs by Changing Brain Protein Synthesis PMCID: PMC433769 Distribution and Fate of Synthetic Lipid Vesicles in the Mouse: A Combined Radionuclide and Spin Label Study PMCID: PMC433799 Type C Viral Expression in Primate Tissues PMCID: PMC433848 Biological Sciences: Microbiology Purification of Naked Intranuclear Particles from Human Liver Infected by Hepatitis B Virus PMCID: PMC433768 Biological Sciences: Physiology Interactions of a Photo-Affinity ATP Analog with Cation-Stimulated Adenosine Triphosphatases of Human Red Cell Membranes PMCID: PMC433773 Metamorphosis of Aplysia californica in Laboratory Culture PMCID: PMC433834 Biological Sciences: Zoology Three Flies and Three Islands: Parallel Evolution in Drosophila PMCID: PMC433805 Physical Sciences: Chemistry Diffusivity of Gases in Liquids PMCID: PMC433762 Study of Vibronic and Born-Oppenheimer Couplings PMCID: PMC433783 Refinement of the X-ray Structure of Rubredoxin by Conformational Energy Calculations PMCID: PMC433851 Critical Length of the Transport-Dominated Region for Oscillating Non-Linear Reactive Processes PMCID: PMC433854 Physical Sciences: Mathematics Multivariate Approximation by Locally Blended Univariate Interpolants PMCID: PMC433785 Corrections Quantitative affinity chromatography. Determination of binding constants by elution with competitive inhibitors PMCID: PMC433857 Corrects: Quantitative Affinity Chromatography. Determination of Binding Constants by Elution with Competitive Inhibitors. Proc Natl Acad Sci U S A. 1974 June; 71(6): 2382–2385. Regulation of fructose 1,6-bisphosphatase by histidine under gluconeogenic conditions PMCID: PMC433858 Corrects: Regulation of Fructose 1,6-Bisphosphatase by Histidine under Gluconeogenic Conditions. Proc Natl Acad Sci U S A. 1974 June; 71(6): 2166–2168. Synthesis of simian virus 40 DNA in isolated nuclei PMCID: PMC433859 Corrects: Synthesis of Simian Virus 40 DNA in Isolated Nuclei. Proc Natl Acad Sci U S A. 1974 April; 71(4): 1045–1049. Particle movements in chloroplast membranes: Quantitative measurements of membrane fluidity by the freeze-fracture technique PMCID: PMC433860 Corrects: Particle Movements in Chloroplast Membranes: Quantitative Measurements of Membrane Fluidity by the Freeze-Fracture Technique. Proc Natl Acad Sci U S A. 1974 May; 71(5): 2052–2056. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||