This journal provides immediate access to some articles. Volume 45(4); April 1959 Biochemistry SECONDARY STRUCTURE IN RIBONUCLEIC ACIDS PMCID: PMC222587 THE BIOSYNTHESIS OF MEVALONIC ACID PMCID: PMC222588 BINDING OF AMINO ACIDS TO THE END GROUP OF A SOLUBLE RIBONUCLEIC ACID PMCID: PMC222589 ON THE ABSORPTION OF HETEROCYCLIC ELECTRON DONORS AND ACCEPTORS PMCID: PMC222590 ISOLATION AND PROPERTIES OF B12 COENZYMES CONTAINING BENZIMIDAZOLE OR DIMETHYLBENZIMIDAZOLE PMCID: PMC222591 Chemistry ELECTRON MAGNETIC RESONANCE OF CH(COOH)2 PMCID: PMC222592 Engineering HIGH-ACCURACY MECHANICAL INTEGRATION BY SHEAR IN VISCOUS LIQUIDS PMCID: PMC222593 Genetics THE DISCRIMINATION OF WILD-TYPE ISOALLELES AT THE WHITE LOCUS OF DROSOPHILA MELANOGASTER PMCID: PMC222594 EXCEPTIONAL INHERITANCE OF A SEX-LINKED GENE IN THE MOUSE EXPLAINED ON THE BASIS THAT THE X/O SEX-CHROMOSOME CONSTITUTION IS FEMALE PMCID: PMC222595 THE Y-CHROMOSOME AS THE BEARER OF MALE DETERMINING FACTORS IN THE MOUSE PMCID: PMC222596 THE DIFFERENCE BETWEEN SPONTANEOUS AND BASE-ANALOGUE INDUCED MUTATIONS OF PHAGE T4 PMCID: PMC222607 Mathematics REACTOR CRITICALITY IN TRANSPORT THEORY PMCID: PMC222597 A CLASS OF DIOPHANTINE EQUATIONS PMCID: PMC222598 AUTOMORPHIC FORMS ON A SEMISIMPLE LIE GROUP PMCID: PMC222599 TIME OPTIMAL CONTROL SYSTEMS PMCID: PMC222600 FINITE GROUPS WITH FIXED-POINT-FREE AUTOMORPHISMS OF PRIME ORDER PMCID: PMC222601 SOME EXAMPLES ON n-DIMENSIONAL STRUCTURAL STABILITY PMCID: PMC222608 Physics ATOMIC BEAM RESEARCH ON RADIOACTIVE ATOMS PMCID: PMC222582 THE BEVATRON PMCID: PMC222583 FORCES BETWEEN NUCLEONS AND ANTINUCLEONS PMCID: PMC222584 NUCLEAR SPECTROSCOPY PMCID: PMC222585 RECENT WORK WITH THE TRANSURANIUM ELEMENTS PMCID: PMC222586 COLOR VISION AND THE NATURAL IMAGE PART II PMCID: PMC222609 Physiology PRODUCTION OF STERILITY IN MICE BY DEUTERIUM OXIDE PMCID: PMC222602 NOTE ON THE LATERAL DENDRITES OF PLANTAR MOTONEURONS PMCID: PMC222603 TEMPERATURE AND DENDRITIC RESPONSE OF SPINAL MOTONEURONS PMCID: PMC222604 DECREMENTAL CONDUCTION IN PERIPHERAL NERVE. INTEGRATION OF STIMULI IN THE NEURON PMCID: PMC222605 ON PHYSICAL HEAT REGULATION AND THE SENSE OF TEMPERATURE IN MAN PMCID: PMC222610 Zoölogy COMPARISON OF POPULATION ENERGY FLOW OF A HERBIVOROUS AND A DEPOSIT-FEEDING INVERTEBRATE IN A SALT MARSH ECOSYSTEM PMCID: PMC222606 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||