This journal provides immediate access to some articles. Volume 67(3); November 1970 Conformational Significance of the Intrachain Disulfide Linkages in Immunoglobulins PMCID: PMC283320 Carbon-13 Fourier Transform Nuclear Magnetic Resonance, II. Ribonuclease PMCID: PMC283321 The Total Amino Acid Content of Fossil Pecten Shells PMCID: PMC283322 Temperature-Sensitive Mutations in Drosophila melanogaster, V. A Mutation Affecting Concentrations of Pteridines PMCID: PMC283323 Proton Nuclear Magnetic Resonance Studies of Myoglobin in H2O PMCID: PMC283324 Role of Heterogeneity of the Solvation Site in Electronic Spectra in Solution PMCID: PMC283325 Control of Transcription of the Repressor Gene in Bacteriophage Lambda PMCID: PMC283326 A Dynamic Stereochemical Reaction Mechanism for the ATP Synthesis Reaction of Mitochondrial Oxidative Phosphorylation PMCID: PMC283327 A New Protein Synthesis Factor from Escherichia coli PMCID: PMC283328 Rate Acceleration by Stereopopulation Control: Models for Enzyme Action PMCID: PMC283329 Breakdown by Streptomycin of Initiation Complexes Formed on Ribosomes of Escherichia coli PMCID: PMC283330 Genetic Dissection of the Drosophila Nervous System by Means of Mosaics PMCID: PMC283331 Detection of Bacteriophage T4- and T5-Coded Transfer RNAs PMCID: PMC283332 Release of Pituitary Growth Hormone by Prostaglandins and Dibutyryl Adenosine Cyclic 3′:5′-Monophosphate in the Absence of Protein Synthesis PMCID: PMC283333 Location of the Coat Cistron on the RNA of Phage Qβ PMCID: PMC283334 Note on Degree of Convergence of Sequences of Rational Functions of Prescribed Type PMCID: PMC283335 A Genetic Marker in the Variable Region of Light Chains of Mouse Immunoglobulins PMCID: PMC283336 Seryl-tRNA in Mammalian Tissues: Chromatographic Differences in Brain and Liver and a Specific Response to the Codon, UGA PMCID: PMC283337 Identification and Origin of Some Chloroplast Aminoacyl-tRNA Synthetases and tRNAs PMCID: PMC283338 Behavior of Tissue Culture Cells Infected with Polyoma Virus PMCID: PMC283339 Effect of Pyridine Nucleotide Precursors on the Permeability of Toad Bladder in the Presence of Vasopressin, Adenosine 3′:5′-cyclic Monophosphate, and Theophylline PMCID: PMC283340 Anthranilate Synthase Enzyme System and Complementation in Pseudomonas Species PMCID: PMC283341 Biogenesis of Mitochondria, XVIII. A New Class of Cytoplasmically Determined Antibiotic Resistant Mutants in Saccharomyces cerevisiae PMCID: PMC283342 Use of a Snake Venom Toxin to Characterize the Cholinergic Receptor Protein PMCID: PMC283343 The γ-Glutamyl Cycle: A Possible Transport System for Amino Acids PMCID: PMC283344 Overgrowth-Stimulating Activity of Disrupted Chick Embryo Cells and Cells Infected with Rous Sarcoma Virus PMCID: PMC283345 Evidence of Heterosis Associated with an Enzyme Locus in a Natural Population of Drosophila PMCID: PMC283346 Surface Charge and the Conductance of Phospholipid Membranes PMCID: PMC283347 Ribosomal Proteins, XII. Number of Proteins in Small and Large Ribosomal Subunits of Escherichia coli as Determined by Two-Dimensional Gel Electrophoresis PMCID: PMC283348 Revised Identification of the Chromophore of a Cell Division Factor from Crown Gall Tumor Cells of Vinca rosea L PMCID: PMC283349 Cellular Aspects of the Inverse Relationship between the Net Charge of Immunogens and of Antibodies Elicited PMCID: PMC283350 On Finitely Additive Vector Measures PMCID: PMC283351 Altered Nucleic Acids of Antibody-Forming Tissues PMCID: PMC283352 Relationship between the Intra and Intermolecular Cross-links of Collagen PMCID: PMC283353 Heme Biosynthesis in Intermittent Acute Porphyria: Decreased Hepatic Conversion of Porphobilinogen to Porphyrins and Increased Delta Aminolevulinic Acid Synthetase Activity PMCID: PMC283354 Topography of the Escherichia coli 30S Ribosomal Subunit and Streptomycin Binding PMCID: PMC283355 Three-Dimensional Organization of the 30S Ribosomal Proteins from Escherichia coli, I. Preliminary Classification of the Proteins PMCID: PMC283356 Binding of Polycyclic Aromatic Hydrocarbons to Polyadenylic Acid PMCID: PMC283357 Valine-Specific tRNA-like Structure in Turnip Yellow Mosaic Virus RNA PMCID: PMC283358 Enzymatic Carboxylation of Biotin: Molecular and Catalytic Properties of a Component Enzyme of Acetyl CoA Carboxylase PMCID: PMC283359 Circular Dichroism Studies at Variable Temperature: Urobilinoid Conformation PMCID: PMC283360 Characterization of RNAs That Do and Do Not Migrate between Cytoplasm and Nucleus PMCID: PMC283361 220 MHz Proton Nuclear Magnetic Resonance Study of the Interaction between Chicken M4 Lactate Dehydrogenase and Reduced Diphosphopyridine Nucleotide PMCID: PMC283362 Surveyor Substrates: Energy-Transfer Gauges of Active Center Topography during Catalysis PMCID: PMC283363 Influence of Mercuric Ions on the Phosphorescence and Photochemistry of DNA PMCID: PMC283364 Selection of a Single Antibody-Forming Cell Clone and Its Propagation in Syngeneic Mice PMCID: PMC283365 Evidence from Chloroplast Fragments for Three Photosynthetic Light Reactions PMCID: PMC283366 Electron Spin Resonance Studies of Carbonic Anhydrase: Transition Metal Ions and Spin-Labeled Sulfonamides PMCID: PMC283367 Association of ATP: Glutamine Synthetase Adenylyltransferase Activity with the PI Component of the Glutamine Synthetase Deadenylylation System PMCID: PMC283368 Amino Acid Sequence of the Basic Protein of the Myelin Membrane PMCID: PMC283369 Mechanism of Carcinogenesis by RNA Tumor Viruses, III Formation of RNA·DNA Complex and Duplex DNA Molecules by the DNA Polymerase(s) of Avian Myeloblastosis Virus PMCID: PMC283370 Structure and Function of Bacterial Ribosomes, XI. Dependence of 50S Ribosomal Assembly on Simultaneous Assembly of 30S Subunits PMCID: PMC283371 Identification of the Cytokinin-Active Ribonucleosides in Pure Escherichia coli tRNA Species PMCID: PMC283372 6-(p-Hydroxyphenylazo)-uracil: A Selective Inhibitor of Host DNA Replication in Phage-Infected Bacillus subtilis PMCID: PMC283373 A Short Stereoselective Synthesis of Cecropia Juvenile Hormone PMCID: PMC283374 Application of the Chloro Ketal Claisen Reaction to the Total Synthesis of Squalene PMCID: PMC283375 Studies on Polynucleotides, C A Novel Joining Reaction Catalyzed by the T4-Polynucleotide Ligase PMCID: PMC283376 The maintenance of the accuracy of protein synthesis and its relevance to ageing: a correction. PMCID: PMC283377 Law of Conservation of the Capital-Output Ratio PMCID: PMC283378 Unilaterally Patterned Neural Activity of Gynandromorphs, Mosaic for a Neurological Mutant of Drosophila Melanogaster PMCID: PMC283379 Darboux Problem for a Polyvibrating Equation: Solution as an F-Equation PMCID: PMC283380 Development of Insulin-Sensitivity by Mouse Mammary Gland In Vitro PMCID: PMC283381 Photodestruction of Chloroplast Ultrastructure by Red Light: Location of Chlorophyll PMCID: PMC283382 Mutations Altering Chloroplast Ribosome Phenotype in Chlamydomonas, II. A New Mendelian Mutation PMCID: PMC283383 Isolation and Characterization of Calcifying Matrix Vesicles from Epiphyseal Cartilage PMCID: PMC283384 Effect of Muscle Denervation on Growth of Transplanted Tumor in Mice PMCID: PMC283385 Introduction of a Heterologous Nucleus into Enucleated Cytoplasms of Cultured Mouse L-Cells PMCID: PMC283386 Conformations of the Single-Stranded DNA of Bacteriophage M13 PMCID: PMC283387 In Vitro Induction of Granulocyte Differentiation in Hematopoietic Cells from Leukemic and Non-Leukemic Patients PMCID: PMC283388 Fine Structure of the Motile Cells and Flagella in a Member of the Actinoplanaceae (Actinomycetales) PMCID: PMC283389 Superposition of Excitatory and Inhibitory Influences in the Retina of Limulus: Effect of Delayed Inhibition PMCID: PMC283390 A Virus Associated with SR-Spirochetes of Drosophila nebulosa PMCID: PMC283391 Evidence for Transfer of Enzyme Product as the Basis of Metabolic Cooperation between Tissue Culture Fibroblasts of Lesch-Nyhan Disease and Normal Cells PMCID: PMC283392 DNA Ligase Mutants of Escherichia coli PMCID: PMC283393 Nuclear Magnetic Resonance Spectroscopy. Variable-Temperature 13C and 19F Study of the Chair-Chair Interconversion of 1,1,3,3-Tetramethylcyclohexane and gem-Difluoro-1,1,3,3-Tetramethylcyclohexanes PMCID: PMC283394 Protein Chain-Initiating Methionine tRNAs in Chloroplasts and Cytoplasm of Wheat Leaves PMCID: PMC283395 Initiation of Rabbit Hemoglobin Synthesis: Methionine and Formylmethionine at the N-Terminal PMCID: PMC283396 DNA-Induced Transformation in Drosophila: Locus-Specificity and the Establishment of Transformed Stocks PMCID: PMC283397 Modification of Histones during Spermiogenesis in Trout: A Molecular Mechanism for Altering Histone Binding to DNA PMCID: PMC283398 A Specific Competitive Inhibitor of Angiotensin II PMCID: PMC283399 Evidence for a Precursor to Circulating Parathyroid Hormone PMCID: PMC283400 Correction ON A THIRD KIND OF CHARACTERISTIC NUMBERS OF THE SPHEROIDAL FUNCTIONS PMCID: PMC283401 Corrects: On a Third Kind of Characteristic Numbers of the Spheroidal Functions. Proc Natl Acad Sci U S A. 1970 September; 67(1): 351–355. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||