This journal provides immediate access to some articles. Volume 51(5); May 1964 Astronomy EVIDENCE FOR A COMET BELT BEYOND NEPTUNE PMCID: PMC300148 OUTLINE OF A THEORY OF THE UNIVERSE PMCID: PMC300149 Biochemistry ACETYLATION AND METHYLATION OF HISTONES AND THEIR POSSIBLE ROLE IN THE REGULATION OF RNA SYNTHESIS PMCID: PMC300163 AN ANALYSIS OF THE OPTICAL ROTATORY DISPERSION OF POLYPEPTIDES AND PROTEINS, II PMCID: PMC300164 A COMPLEX OF ENZYMATICALLY SYNTHESIZED RNA AND TEMPLATE DNA PMCID: PMC300165 ELOVICH DECAY OF FREE RADICALS IN A PHOTOSYNTHETIC SYSTEM AS EVIDENCE FOR ELECTRON TRANSPORT ACROSS AN INTERFACIAL ACTIVATION ENERGY BARRIER PMCID: PMC300166 THE STABILITY OF LIVER MESSENGER RNA PMCID: PMC300167 USE OF THERMAL DENATURATION STUDIES TO INVESTIGATE THE BASE SEQUENCE OF YEAST SERINE sRNA PMCID: PMC300168 ON THE TRANSIENT TEMPLATE FOR IN VIVO DNA SYNTHESIS PMCID: PMC300169 AN ESTIMATE OF THE SIZE OF THE RIBOSOMAL SITE FOR MESSENGER RNA BINDING PMCID: PMC300170 CHYMOTRYPSINOGEN: INCREASED RESOLUTION AND ABSOLUTE CONFIGURATION PMCID: PMC300171 A MODEL FOR THE 7S ANTIBODY MOLECULE PMCID: PMC300172 POLYDEOXYADENYLIC ACID PMCID: PMC300173 LETHALITY AND THE STIMULATION OF RNA SYNTHESIS BY STREPTOMYCIN PMCID: PMC300174 MULTIPLE DISCRIMINANT ANALYSIS OF PLASMA AMINO ACID PATTERNS PMCID: PMC300175 A SUBUNIT MODEL FOR THE TROPOCOLLAGEN MACROMOLECULE PMCID: PMC300176 INHIBITION OF RNA SYNTHESIS IN FSCHERICHIA COLI BY LEVORPHANOL PMCID: PMC300177 STREPTOMYCIN, SUPPRESSION, AND THE CODE PMCID: PMC300178 REPLICATION OF VIRAL RNA, IV. PROPERTIES OF RNA SYNTHETASE AND ENZYMATIC SYNTHESIS OF MS2 PHAGE RNA PMCID: PMC300179 POLYSACCHARIDE AND GLYCOLIPID SYNTHESIS BY CELL-FREE PREPARATIONS FROM TYPE XIV PNEUMOCOCCUS PMCID: PMC300180 Botany THE EFFECT OF BRANCHING AT C-1 ON THE BIOLOGICAL ACTIVITY OF ALCOHOLS PMCID: PMC300157 Centennial Celebration (Second Scientific Session) INTRODUCTION PMCID: PMC300190 SYMMETRY AND CONSERVATION LAWS PMCID: PMC300191 ELEMENTARY PARTICLES PMCID: PMC300192 THE STRUCTURE OF NUCLEI PMCID: PMC300193 THE ARCHITECTURE OF MOLECULES PMCID: PMC300194 Centennial Celebration (Third Scientific Session) INTRODUCTION PMCID: PMC300184 GENETIC DETERMINANTS PMCID: PMC300185 THE DIFFERENTIATION OF CELLS PMCID: PMC300186 THE INFLUENCE OF THE ENVIRONMENT PMCID: PMC300187 THE EVOLUTION OF LIVING SYSTEMS PMCID: PMC300188 PHYSIOLOGICAL AND CULTURAL DETERMINANTS OF BEHAVIOR PMCID: PMC300189 Chemistry NITROGEN-15 MAGNETIC RESONANCE SPECTROSCOPY, I. CHEMICAL SHIFTS PMCID: PMC300152 Genetics ON THE DENATURATION OF CHROMOSOMAL DNA IN SITU PMCID: PMC300151 CHROMOSOME STRUCTURE IN PHAGE T4, I. CIRCULARITY OF THE LINKAGE MAP PMCID: PMC300161 H3-THYMIDINE UPTAKE BY A RING X CHROMOSOME IN A HUMAN FEMALE PMCID: PMC300162 Mathematics EXTENSION OF QUASICONFORMAL MAPPINGS FROM TWO TO THREE DIMENSIONS PMCID: PMC300158 DECOMPOSITION OF VECTOR MEASURES PMCID: PMC300159 A REMARK ON A CONJECTURE OF C. L. SIEGEL PMCID: PMC300160 Pathology AROMATIC INFLUENCES ON THE YIELDS OF MAMMARY CANCERS FOLLOWING ADMINISTRATION OF 7,12-DIMETHYLBENZ(a)ANTHRACENE PMCID: PMC300153 SPECIFIC COMPLEMENT-FIXING VIRAL ANTIGENS IN HAMSTER AND GUINEA PIG TUMORS INDUCED BY THE SCHMIDT-RUPPIN STRAIN OF AVIAN SARCOMA PMCID: PMC300154 Physics AN ENERGY-MOMENTUM TENSOR FOR COLLAPSING STARS PMCID: PMC300150 Physiology A PHYSICOMATHEMATICAL CONCEPT OF CONTINUOUS DISTRIBUTION OF SPECIFIC BLOOD FLOW THROUGH THE ORGANS PMCID: PMC300155 Zoölogy SODIUM-INDEPENDENT ACTIVE TRANSPORT OF POTASSIUM IN THE ISOLATED MIDGUT OF THE CECROPIA SILKWORM PMCID: PMC300156 Errata INFERENCES CONCERNING THE TERTIARY AMERICAN BIRD FAUNAS PMCID: PMC300181 Corrects: INFERENCES CONCERNING THE TERTIARY AMERICAN BIRD FAUNAS. Proc Natl Acad Sci U S A. 1964 February; 51(2): 280–288. EFFECT OF CHEMICAL CONTROL OF STOMATA ON TRANSPIRATION AND PHOTOSYNTHESIS PMCID: PMC300182 Corrects: EFFECT OF CHEMICAL CONTROL OF STOMATA ON TRANSPIRATION AND PHOTOSYNTHESIS. Proc Natl Acad Sci U S A. 1962 July; 48(7): 1101–1108. THE ORDER OF ELECTRON SHELLS IN IONIZED ATOMS PMCID: PMC300183 Corrects: THE ORDER OF ELECTRON SHELLS IN IONIZED ATOMS. Proc Natl Acad Sci U S A. 1964 April; 51(4): 664–671. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||