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This journal provides immediate access to some articles. Volume 47(12); December 1961 Astronomy ON A SHORT-LIVED COSMIC RAY DECREASE ON NOVEMBER 13, 1960 PMCID: PMC223231 Biochemistry GAMMA TROPOCOLLAGEN: A REVERSIBLY DENATURABLE COLLAGEN MACROMOLECULE PMCID: PMC223242 THE MECHANISMS FOR CHYMOTRYPSIN PMCID: PMC223243 EFFECT OF OXYTOCIN, VASOPRESSIN, AND OTHER DISULFID HORMONES ON UPTAKE AND EXTRUSION OF WATER BY MITOCHONDRIA PMCID: PMC223244 SYNTHETIC POLYNUCLEOTIDES AND THE AMINO ACID CODE PMCID: PMC223245 THE PREPARATION OF CRYSTALLINE TRANSALDOLASE FROM CANDIDA UTILIS PMCID: PMC223246 ON THE NATURE OF THE TRANSLDOLASE-DIHYDROXYACETONE COMPLEX PMCID: PMC223247 BIOSYNTHESIS OF β-D-GALACTOSIDASE CONTROLLED BY PHAGE-CARRIED GENES. I. INDUCED β-D-GALACTOSIDASE BIOSYNTHESIS AFTER TRANSDUCTION OF GENE z+ BY PHAGE PMCID: PMC223248 BIOSYNTHESIS OF β-D-GALACTOSIDASE CONTROLLED BY PHAGE-CARRIED GENES. II. THE BEHAVIOR OF PHAGE-TRANSDUCED z+ GENES TOWARD REGULATORY MECHANISMS PMCID: PMC223249 BIOSYNTHESIS OF β-D-GALACTOSIDASE CONTROLLED BY PHAGE-CARRIED GENES. III: DEREPRESSION OF β-D-GALACTOSIDASE SYNTHESIS FOLLOWING INDUCTION OF PHAGE DEVELOPMENT IN LYSOGENIC BACTERIA PMCID: PMC223250 MEASUREMENT OF ACTIVITY OF SINGLE MOLECULES OF β-D-GALACTOSIDASE PMCID: PMC223251 A CHANGE IN OPTICAL ROTATION OF CREATINE-ATP TRANSPHOSPHORYLASE DURING ENZYME SUBSTRATE INTERACTION SUGGESTING AN ALTERATION IN CONFORMATION PMCID: PMC223252 PHOSPHATE INCORPORATION INTO ALKALINE PHOSPHATASE OF E. COLI PMCID: PMC223253 A GENETIC LOCUS FOR THE REGULATION OF RIBONUCLEIC ACID SYNTHESIS PMCID: PMC223254 FACTORS AFFECTING AMINO ACID INCORPORATION INTO PROTEINS BY ESCHERICHIA COLI RIBOSOMES PMCID: PMC223255 Chemistry VITAMIN C AS A COENZYME: THE HYDROLYSIS OF MUSTARD OIL GLUCOSIDES PMCID: PMC223232 EVIDENCE CONCERNING LIQUID STRUCTURE PMCID: PMC223233 Engineering ON THE CONTAINMENT TIME OF A PLASMA: AN IMPORTANT ERROR PMCID: PMC223234 Geology THE CRYSTAL STRUCTURES OF WOLLASTONITE AND PECTOLITE PMCID: PMC223235 Mathematics ON BLOCKS OF REPRESENTATIONS OF FINITE GROUPS PMCID: PMC223236 INVESTIGATION ON GROUPS OF EVEN ORDER, I PMCID: PMC223237 ON THE MAXIMAL ERGODIC THEOREM PMCID: PMC223238 Microbiology HEAT-RESISTANCE OF THE TUMORIGENIC NUCLEIC ACID OF SHOPE PAPILLOMATOSIS PMCID: PMC223239 THE DISTRIBUTION IN THE TISSUES AND THE DEVELOPMENT OF H-2 ANTIGENS OF THE MOUSE PMCID: PMC223240 Pathology STUDIES ON THE REGULATION OF CERTAIN ESSENTIAL BIOSYNTHETIC SYSTEMS IN NORMAL AND CROWN-GALL TUMOR CELLS PMCID: PMC223241 Erratum The Proton Irradiation of Methane, Ammonia, and Water at 77°K PMCID: PMC223256 Corrects: THE PROTON IRRADIATION OF METHANE, AMMONIA, AND WATER AT 77°K. Proc Natl Acad Sci U S A. 1961 September; 47(9): 1434–1436. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||