This journal provides immediate access to some articles. Volume 66(4); August 1970 Article NATIONAL ACADEMY OF SCIENCES July 1, 1970 PMCID: PMC335822 Biological Sciences: Biochemistry SPECIFIC BINDING OF LEUCYL TRANSFER RNA TO AN IMMATURE FORM OF L-THREONINE DEAMINASE: ITS IMPLICATIONS IN REPRESSION PMCID: PMC335782 OXIDIZED RNASE AS A PROTEIN MODEL HAVING NO CONTRIBUTION TO THE HYDROGEN EXCHANGE RATE FROM CONFORMATIONAL RESTRICTIONS PMCID: PMC335787 SUBUNIT HETEROGENEITY IN HUMAN SERUM BETA LIPOPROTEIN PMCID: PMC335788 COMPONENTS OF HISTIDINE TRANSPORT: HISTIDINE-BINDING PROTEINS AND hisP PROTEIN PMCID: PMC335791 APPLICATION OF 129I MOSSBAUER EFFECT TO BIOLOGICAL SYSTEMS: STUDIES WITH HEME MODELS PMCID: PMC335797 SPIN-STATE CHANGES IN CYTOCHROME P-450cam ON BINDING OF SPECIFIC SUBSTRATES PMCID: PMC335800 SEQUENTIAL TRANSLATION OF TRINUCLEOTIDE CODONS FOR PEPTIDE BOND FORMATION, TRANSLOCATION, AND TERMINATION PMCID: PMC335801 ENERGY-COUPLING MECHANISMS IN MITOCHONDRIA: KINETIC, SPECTROSCOPIC, AND THERMODYNAMIC PROPERTIES OF AN ENERGY-TRANSDUCING FORM OF CYTOCHROME b PMCID: PMC335803 IMMUNOGLOBULIN SYNTHESIS AND SECRETION, V. INCORPORATION OF LEUCINE AND GLUCOSAMINE INTO IMMUNOGLOBULIN ON FREE AND BOUND POLYRIBOSOMES PMCID: PMC335804 β-GALACTOSIDE TRANSPORT IN BACTERIAL MEMBRANE PREPARATIONS: ENERGY COUPLING VIA MEMBRANE-BOUND D-LACTIC DEHYDROGENASE PMCID: PMC335805 PROINSULIN: CRYSTALLIZATION AND PRELIMINARY X-RAY DIFFRACTION STUDIES PMCID: PMC335808 IRON: ITS INTRACELLULAR LOCALIZATION AND POSSIBLE ROLE IN CELL DIVISION PMCID: PMC335812 PROMITOCHONDRIA OF ANAEROBICALLY GROWN YEAST, IV. CONVERSION INTO RESPIRING MITOCHONDRIA PMCID: PMC335813 In Vitro TRANSCRIPTION OF A TRANSFER RNA GENE PMCID: PMC335814 ANALYSIS OF T4 PHAGE PROTEINS, I. CONVERSION OF PRECURSOR PROTEINS INTO LOWER MOLECULAR WEIGHT PEPTIDES DURING NORMAL CAPSID FORMATION PMCID: PMC335816 PROTEIN CHAIN INITIATION IN RABBIT RETICULOCYTES PMCID: PMC335817 Biological Sciences: Botany ACETYLENE REDUCTION ASSAY FOR DETERMINATION OF PHOSPHORUS AVAILABILITY IN WISCONSIN LAKES PMCID: PMC335792 ALTERATION OF GENE CONVERSION PATTERNS IN Sordaria fimicola BY SUPPLEMENTATION WITH DNA BASES PMCID: PMC335818 Biological Sciences: Genetics TRANSDUCTION BY BACTERIOPHAGE T1 PMCID: PMC335789 EVIDENCE FOR TRIPLICATE GENES FOR ALCOHOL DEHYDROGENASE IN HEXAPLOID WHEAT PMCID: PMC335796 MAPPING OF A HUMAN GENETIC REGULATOR ELEMENT BY SOMATIC CELL GENETIC ANALYSIS PMCID: PMC335809 Biological Sciences: Immunology ACTINOMYCIN D BEFORE AND DURING PRIMARY AND SECONDARY ANTI-FORSSMAN IMMUNOGLOBULIN HEMOLYSIN RESPONSES IN RABBITS PMCID: PMC335783 SPECIFIC INHIBITION OF TUMOR CELL DNA SYNTHESIS In Vitro BY LYMPHOCYTES FROM PERITONEAL EXUDATE OF IMMUNIZED SYNGENEIC GUINEA PIGS PMCID: PMC335794 ACCELERATION BY THYMOSIN OF THE DEVELOPMENT OF RESISTANCE TO MURINE SARCOMA VIRUS-INDUCED TUMOR IN MICE PMCID: PMC335802 GENETIC CONTROL OF THE IMMUNE RESPONSE OF GUINEA PIGS TO LIMITING DOSES OF BOVINE SERUM ALBUMIN: RELATIONSHIP TO THE POLY-L-LYSINE GENE PMCID: PMC335815 Biological Sciences: Medical Sciences IMMUNOLOGICAL ALTERNATION OF LEUKEMIC CELLS In Vivo AFTER TREATMENT WITH AN ANTITUMOR DRUG PMCID: PMC335790 CELLS INVOLVED IN CELL-MEDIATED AND TRANSPLANTATION IMMUNITY, II. A CONSIDERATION OF THE FUNCTIONAL IDENTITY OF THE CELLS INVOLVED IN BOTH HUMORAL AND CELL-MEDIATED IMMUNITY: A PHYLOGENETIC APPROACH PMCID: PMC335795 CHANGES IN CHROMOSOMES OF BONE MARROW AFTER INTRAVENOUS INJECTIONS OF 7,12-DIMETHYLBENZ(A)ANTHRACENE AND RELATED COMPOUNDS PMCID: PMC335810 IMMUNOASSAY OF PLASMA VASOPRESSIN IN MAN PMCID: PMC335819 Biological Sciences: Microbiology INTERFERON AND CELL DIVISION, I. INHIBITION OF THE MULTIPLICATION OF MOUSE LEUKEMIA L 1210 CELLS In Vitro BY INTERFERON PREPARATIONS PMCID: PMC335785 MURINE SARCOMA VIRUS TRANSFORMATION OF BALB/3T3 CELLS: LACK OF DEPENDENCE ON MURINE LEUKEMIA VIRUS PMCID: PMC335811 Biological Sciences: Pathology CONGO RED DICHROISM WITH DISPERSED AMYLOID FIBRILS, AN EXTRINSIC COTTON EFFECT PMCID: PMC335784 Biological Sciences: Physiology IMPEDANCE CHANGES ACROSS THE FOOTPAD OF THE CAT IN RELATION TO ACTION AND SECRETION IN SWEAT GLANDS PMCID: PMC335798 THE MOLECULAR MECHANISM OF FORCE GENERATION IN STRIATED MUSCLE PMCID: PMC335806 Biological Sciences: Zoology THEORETICAL INVESTIGATIONS OF AUTOMIMICRY, I. SINGLE TRIAL LEARNING PMCID: PMC335786 A FURTHER ASSESSMENT OF THE ROLE OF FOUNDER EFFECTS IN THE OUTCOME OF Tribolium COMPETITION EXPERIMENTS PMCID: PMC335793 AXON GROWTH: ROLES OF MICROFILAMENTS AND MICROTUBULES PMCID: PMC335807 Physical Sciences: Mathematics FLOWS WITH CROSS SECTIONS PMCID: PMC335799 Corrections FRACTIONATION OF PHYTOHEMAGGLUTININ, I. PURIFICATION OF THE RNA AND DNA SYNTHESIS-STIMULATING SUBSTANCES AND EVIDENCE THAT THEY ARE NOT PROTEINS PMCID: PMC335820 Corrects: FRACTIONATION OF PHYTOHEMAGGLUTININ, I. PURIFICATION OF THE RNA AND DNA SYNTHESIS-STIMULATING SUBSTANCES AND EVIDENCE THAT THEY ARE NOT PROTEINS. Proc Natl Acad Sci U S A. 1969 September; 64(1): 283–289. A STUDY ON THE TRANSCRIPTION OF THE POLYOMA VIRAL GENOME PMCID: PMC335821 Corrects: A Study on the Transcription of the Polyoma Viral Genome. Proc Natl Acad Sci U S A. 1970 January; 65(1): 226–233. 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