This journal provides immediate access to some articles. Volume 49(2); February 1963 Biochemistry THE EFFECT OF EXOGENOUS RNA AND DNA ON AMINO ACID INCORPORATION BY SUBCELLULAR FRACTIONS PREPARED FROM ERYTHROID TISSUES PMCID: PMC299783 BASIS OF ACTINOMYCIN ACTION, II. EFFECT OF ACTINOMYCIN ON THE NUCLEOSIDE TRIPHOSPHATE-INORGANIC PYROPHOSPHATE EXCHANGE PMCID: PMC299785 ON THE CHEMISTRY OF THE THYMUS GLAND PMCID: PMC299786 GENESIS OF MITOCHONDRIA IN NEUROSPORA CRASSA PMCID: PMC299787 DEMONSTRATION OF AN UNSTABLE RNA AND OF A PRECURSOR TO RIBOSOMAL RNA IN HELA CELLS PMCID: PMC299789 TRANSFER OF CHLOROPHYLL EXCITATION ENERGY IN GREEN PHOTOSYNTHETIC BACTERIA PMCID: PMC299791 AN IMIDAZOLE PUMP MODEL OF ELECTRON TRANSPORT PMCID: PMC299792 INTERMEDIATE REACTIONS IN THE PHOSPHORYLATION COUPLED TO THE OXIDATION OF REDUCED CYTOCHROME C PMCID: PMC299793 SEPARATION OF THE LIGHT AND DARK REACTIONS IN ELECTRON TRANSFER DURING PHOTOSYNTHESIS PMCID: PMC299795 INTERACTION OF GENOTYPES DETERMINING VIABILITY IN DROSOPHILA BUSCKII PMCID: PMC299796 Chemistry MECHANISMS UNDERLYING THE EQUILIBRIUM REACTIONS BETWEEN IONS AND ION-PAIRS IN SOLUTIONS OF ELECTROLYTES, II. THE EFFECT OF TEMPERATURE PMCID: PMC299764 USE OF AN ULTRAMICROTOME FOR THE PREPARATION OF THIN SECTIONS OF SINGLE CRYSTALS FOR ABSORPTION SPECTROSCOPY PMCID: PMC299765 Genetics CHANGES IN MOLECULAR WEIGHT OF DNA ACCOMPANYING MUTATIONS IN PHAGE PMCID: PMC299767 APPARENT CYTOPLASMIC STERILITY IN DROSOPHILA PAULISTORUM PMCID: PMC299768 Geology A DISCUSSION AND PROPOSALS CONCERNING FOSSIL DINOFLAGELLATES, HYSTRICHOSPHERES, AND ACRITARCHS, I PMCID: PMC299769 Mathematics LYAPUNOV FUNCTIONS FOR THE PROBLEM OF LUR'E IN AUTOMATIC CONTROL PMCID: PMC299777 REGULARITY AT THE BOUNDARY OF THE δ-NEUMANN PROBLEM PMCID: PMC299779 ON THEORIES CATEGORICAL IN UNCOUNTABLE POWERS PMCID: PMC299780 BOUNDS OF ANALYTIC FUNCTIONS OF TWO COMPLEX VARIABLES IN DOMAINS WITH THE BERGMAN-ŠILOV BOUNDARY PMCID: PMC299782 Microbiology THE PROGRAMMING OF HERPES VIRUS MULTIPLICATION IN DOUBLY-INFECTED AND IN PUROMYCIN-TREATED CELLS PMCID: PMC299770 STEPS IN THE NEOPLASTIC TRANSFORMATION OF HAMSTER EMBRYO CELLS BY POLYOMA VIRUS PMCID: PMC299772 Physics SPIN ½ WAVE EQUATION IN DE-SITTER SPACE PMCID: PMC299773 Physiology THE RELATIONSHIP OF BODY SIZE, NERVE CELL SIZE, AXON LENGTH, AND GLIAL DENSITY IN THE CEREBELLUM PMCID: PMC299774 FINE STRUCTURAL CHANGES IN HEART MUSCLE IN RELATION TO THE LENGTH-TENSION CURVE PMCID: PMC299776 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||