This journal provides immediate access to some articles. Volume 69(1); January 1972 Recommendations with Respect to the Behavioral and Social Aspects of Human Genetics PMCID: PMC427530 Matching Sequences under Deletion/Insertion Constraints PMCID: PMC427531 A Partial Sequence of Nuclear Events in Regenerating Rat Liver PMCID: PMC427532 Harmonic Analysis and H2-Functions on Siegel Domains of Type II PMCID: PMC427533 Adenosine Triphosphatase Associated with Adenosine Triphosphate-Dependent Deoxyribonuclease PMCID: PMC427534 Detection of Avian Tumor Virus-Specific Nucleotide Sequences in Avian Cell DNAs PMCID: PMC427535 Replication of ϕX174 DNA by Escherichia coli polA-In Vitro PMCID: PMC427536 Kinetics of the Reduction of Metalloproteins by Chromous Ion PMCID: PMC427537 Cell Separation on Affinity Columns: The Isolation of Immunospecific Precursor Cells from Unimmunized Mice PMCID: PMC427538 Nonrandom X-Chromosome Inactivation—an Artifact of Cell Selection PMCID: PMC427539 Light Chain Sequences of Human IgM Cold Agglutinins PMCID: PMC427540 Physical mechanisms in photosynthesis: past elucidations and current problems. PMCID: PMC427541 Aerobic Reduction of Cytochrome b566 in Pigeon-Heart Mitochondria PMCID: PMC427542 Initiation, Release, and Reinitiation of RNA Chains by Bacteriophage-T3-Induced Polymerase from T3 DNA Templates PMCID: PMC427543 A Transport Form of Collagen from Embryonic Tendon: Electron Microscopic Demonstration of an NH2-Terminal Extension and Evidence Suggesting the Presence of Cystine in the Molecule PMCID: PMC427544 Ultrastructure of the Human Complement Component, Clq PMCID: PMC427545 Cytological Mapping of Human X-Linked Genes by Use of Somatic Cell Hybrids Involving an X-Autosome Translocation PMCID: PMC427546 Cytogenetic Analysis of the First Cleavage Division in Mouse Embryos PMCID: PMC427547 Synthesis of Epstein-Barr Virus After Activation of the Viral Genome in a “Virus-Negative” Human Lymphoblastoid Cell (Raji) Made Resistant to 5-Bromodeoxyuridine PMCID: PMC427548 Activation of Epstein-Barr Virus by 5-Bromodeoxyuridine in “Virus-Free” Human Cells PMCID: PMC427549 Growth Inhibition of Sympathetic Cells by Some Adrenergic Blocking Agents PMCID: PMC427550 Electron Microscopic Studies of Replicating and Catenated Colicin Factor E1 DNA Isolated from Minicells PMCID: PMC427551 Genetic Modification of Electric Properties in an Excitable Membrane PMCID: PMC427552 Preparation of Amorphous Solid Water PMCID: PMC427553 Conversion-Associated Recombination in Yeast PMCID: PMC427554 Selective Condensation of Aminoacyl Adenylates by Nucleoproteinoid Microparticles PMCID: PMC427555 Mutation Causing Temperature-Sensitive Expression of Cell Transformation by a Tumor Virus PMCID: PMC427597 Geometry of the First Step in the Action of Ribonuclease-A PMCID: PMC427556 Ramsey's Theorem for a Class of Categories PMCID: PMC427557 Molecular Orbital Studies of Ethylenediamine Conformations PMCID: PMC427558 Characterization of the J Chain from Polymeric Immunoglobulins PMCID: PMC427559 Fate of Mitochondrial DNA in Human-Mouse Somatic Cell Hybrids PMCID: PMC427560 The Antibody Response of Mice to Murine Leukemia Virus in Spontaneous Infection: Absence of Classical Immunologic Tolerance PMCID: PMC427561 Evidence of Gene Diminution During the Formation of the Macronucleus in the Protozoan, Stylonychia PMCID: PMC427562 An Activity from Mammalian Cells That Untwists Superhelical DNA—A Possible Swivel For DNA Replication PMCID: PMC427563 Binding of α-Bungarotoxin to Acetylcholine Receptors In Mammalian Muscle PMCID: PMC427564 Detection and Quantitation of Simian Virus 40 Genetic Material in Abortively Transformed BALB/3T3 Clones PMCID: PMC427565 Early Estrogen Action: Stimulation of the Metabolism of High Molecular Weight and Ribosomal RNAs PMCID: PMC427566 An Inhibitory Protein of Escherichia coli RNA Polymerase in Bacteriophage T3-Infected Cells PMCID: PMC427567 Synthesis and Secretion of Gammaglobulin by Lymph Node Cells: The Acquisition of Carbohydrate Residues of Immunoglobulin in Relation to Interchain Disulfide Bond Formation PMCID: PMC427568 Carbon Dioxide Hydration Activity of Carbonic Anhydrase: Kinetics of Alkylated Anhydrases B and C from Humans PMCID: PMC427569 Macromolecules from Lobster Axon Membranes That Bind Cholinergic Ligands and Local Anesthetics PMCID: PMC427570 The Role of X-Chromosome Inactivation during Spermatogenesis PMCID: PMC427571 Methylation of Cytosine Residues in DNA Controlled by a Drug Resistance Factor PMCID: PMC427572 Transformation of Agrobacterium tumefaciens into a Non-oncogenic Species by an Escherichia coli RNA PMCID: PMC427573 Potentiation of Rifampicin and 5-Fluorocytosine as Antifungal Antibiotics by Amphotericin B PMCID: PMC427574 Enzymic Removal and Re-expression of a Histocompatibility Antigen, HL-A 2, at the Surface of Human Peripheral Lymphocytes PMCID: PMC427575 Noncooperativity of the αβ Dimer in the Reaction of Hemoglobin with Oxygen PMCID: PMC427576 Molecular Events Responsible for Modulation of Neoantigenic Expression: The Cleavage-Associated Neoantigen of Fibrinogen PMCID: PMC427577 Polyamine Stimulation of Nucleic Acid Synthesis in an Uninfected and Phage-Infected Polyamine Auxotroph of Escherichia coli K12 PMCID: PMC427578 Some Structural and Antigenic Properties of Intracisternal A Particles Occurring in Mouse Tumors PMCID: PMC427579 Preparation of Dialyzable Histocompatibility Antigen from BALB/c Mice PMCID: PMC427580 Homogeneous Antibody Elicited with Dinitrophenyl-Gramicidin-S PMCID: PMC427581 Teichoic Acid Hydrolase Activity in Soil Bacteria PMCID: PMC427582 Nucleotide Sequencing of DNA: Preliminary Characterization of the Products of Specific Cleavages at Guanine, Cytosine, or Adenine Residues PMCID: PMC427583 Potassium: Effect on DNA Synthesis and Multiplication of Baby-Hamster Kidney Cells PMCID: PMC427584 Defective Formation of the Lamellar Cytoplasm by Neoplastic Fibroblasts PMCID: PMC427585 Cytochalasin B: Effects on Cell Morphology, Cell Adhesion, and Mucopolysaccharide Synthesis PMCID: PMC427586 Neurotransmitter Synthesis by Neuroblastoma Clones PMCID: PMC427587 In Vitro Synthesis of DNA Complementary to Purified Rabbit Globin mRNA PMCID: PMC427588 Prostaglandin E1 Effects on Adenosine 3′:5′-Cyclic Monophosphate Concentration and Phosphodiesterase Activity in Fibroblasts PMCID: PMC427589 Glutamic Acid as a Precursor to N-Terminal Pyroglutamic Acid in Mouse Plasmacytoma Protein PMCID: PMC427590 Primary Structure of the Ovine Hypothalamic Luteinizing Hormone-Releasing Factor (LRF) PMCID: PMC427591 Binding of Thyrotropin-Releasing Hormone to Plasma Membranes of Bovine Anterior Pituitary Gland PMCID: PMC427592 Corrections Nucleic acid polymerase of the developing chicken embryo: a DNA polymerase preferring a hybrid template PMCID: PMC427593 Corrects: Nucleic Acid Polymerases of the Developing Chicken Embryo: A DNA Polymerase Preferring a Hybrid Template. Proc Natl Acad Sci U S A. 1971 September; 68(9): 2207–2211. Structure of the DNA ligase-adenylate intermediate: lysine (ε-amino)-linked adenosine monophosphoramidate PMCID: PMC427594 Corrects: Structure of the DNA Ligase-Adenylate Intermediate: Lysine (ε-amino)-Linked Adenosine Monophosphoramidate. Proc Natl Acad Sci U S A. 1971 October; 68(10): 2559–2563. Cell cycle-dependent immune lysis of Moloney virus-transformed lymphocytes: presence of viral antigen accessibility to antibody, and complement activation PMCID: PMC427595 Corrects: Cell Cycle-Dependent Immune Lysis of Moloney Virus-Transformed Lymphocytes: Presence of Viral Antigen, Accessibility to Antibody, and Complement Activation. Proc Natl Acad Sci U S A. 1971 October; 68(10): 2584–2588. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||