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This journal provides immediate access to some articles. Volume 66(1); May 1970 Biological Sciences: Biochemistry Mechanism of Activation of Catabolite-Sensitive Genes: A Positive Control System PMCID: PMC286094 Secondary Structure of the Cyclic Moiety of the Peptide Hormone Oxytocin and Its Deamino Analog PMCID: PMC286095 The Mitochondrial Ribosome of Xenopus laevis PMCID: PMC286096 Topological and Functional Organization of the Mitochondrion PMCID: PMC286097 The Dynamics of Life. I. Death from Internal Irradiation by 239Pu and 226Ra, Aging, Cancer, and Other Diseases PMCID: PMC286098 Identity of the 5′-Terminal RNA Nucleotide Sequence of the Satellite Tobacco Necrosis Virus and Its Helper Virus: Possible Role of the 5′-Terminus in the Recognition by Virus-Specific RNA Replicase PMCID: PMC286099 Binding of Adenosine 3′:5′-Cyclic Phosphate to G Factor of Escherichia coli, and Its Effects on GTPase, RNase V, and Protein Synthesis PMCID: PMC286100 Dolichol Monophosphate Glucose: An Intermediate in Glucose Transfer in Liver PMCID: PMC286101 Regulation of Axon Formation by Clonal Lines of a Neural Tumor PMCID: PMC286102 Release of tRNA from Ribosomes by a Factor Other Than G Factor PMCID: PMC286103 Cyclic Changes in Thylakoid Membranes of Synchronized Chlamydomonas reinhardi PMCID: PMC286104 Transcriptions of the Bacteriophage T4 Template in Vitro: Separation of „Delayed Early” from „Immediate Early” Transcription PMCID: PMC286105 Cooperative Effects in Models of Steady-State Transport across Membranes, II. Oscillating Phase Transition PMCID: PMC286106 Complementarity of RNA Produced by Enzymic Transcription of Native and Denatured B. subtilis DNA PMCID: PMC286107 Biological Sciences: Botany Viruslike Particles in Nuclei of Cultured Plant Cells Which Have Lost the Ability to Differentiate PMCID: PMC286082 Biological Sciences: Genetics Further Studies on Loss of T-Antigen from Somatic Hybrids between Mouse Cells and SV40-Transformed Human Cells PMCID: PMC286090 Selection and Polygenic Characters PMCID: PMC286091 Premeiotic DNA Synthesis and the Time of Chromosome Pairing in Locusta migratoria PMCID: PMC286092 Studies of Lp-Lipoprotein as a Quantitative Genetic Trait PMCID: PMC286093 The Phenomenon of „Vesting” in Ring Chromosomes and Its Role in the Mutation Theory and Understanding of the Mechanism of Crossing-Over PMCID: PMC286109 Biological Sciences: Medical Sciences Colony Inhibition of Fibroblasts from Chimeric Dogs Mediated by the Dogs' Own Lymphocytes and Specifically Abrogated by Their Serum PMCID: PMC286088 Suppression of Malignancy and Differentiation in Melanotic Melanoma Cells PMCID: PMC286089 Biological Sciences: Microbiology Glycosphingolipids of Plasma Membranes of Cultured Cells and an Enveloped Virus (SV5) Grown in These Cells PMCID: PMC286087 Biological Sciences: Physiology Adrenalectomy and the Suppression of Memory by Puromycin PMCID: PMC286085 An Electromagnetic Catheter Blood Flow Meter of Minimal Lateral Dimensions PMCID: PMC286086 Conditions Determining Initiation of DNA Synthesis in 3T3 Cells PMCID: PMC286108 Biological Sciences: Zoology Axonal Growth from Insect Neurons in Glia-Free Cultures PMCID: PMC286083 Unit Activity in the Isolated Spinal Cord of Chick Embryo, in Situ PMCID: PMC286084 National Academy of Sciences: Annual Meeting National Academy of Sciences Annual Meeting PMCID: PMC286113 Physical Sciences: Applied Mathematical Sciences Statistical Theories of Success PMCID: PMC286081 Physical Sciences: Astronomy Interpretation of the [ClIII] Lines in Gaseous Nebulae PMCID: PMC286078 Physical Sciences: Mathematics Singular Integrals and the Principal Series, II PMCID: PMC286080 Physical Sciences: Physics Search for Positronium Lyman α-Radiation from Positrons Stopped in Inert Gases PMCID: PMC286079 Corrections Quantitative Study of Clinal Variation in Juniperus virginiana Using Terpenoid Data PMCID: PMC286110 Corrects: QUANTITATIVE STUDY OF CLINAL VARIATION IN Juniperus virginiana USING TERPENOID DATA. Proc Natl Acad Sci U S A. 1969 October; 64(2): 487–494. The Roles of Synthesis and Degradation in Determining Tissue Concentrations of Lactate Dehydrogenase-5 PMCID: PMC286111 Corrects: THE ROLES OF SYNTHESIS AND DEGRADATION IN DETERMINING TISSUE CONCENTRATIONS OF LACTATE DEHYDROGENASE-5. Proc Natl Acad Sci U S A. 1969 February; 62(2): 558–565. Photoregulation of Biological Activity By Photocromic Reagents, II. Inhibitors of Acetylcholinesterase PMCID: PMC286112 Corrects: PHOTOREGULATION OF BIOLOGICAL ACTIVITY BY PHOTOCROMIC REAGENTS, II. INHIBITORS OF ACETYLCHOLINESTERASE. Proc Natl Acad Sci U S A. 1969 November; 64(3): 1103–1106. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||
