This journal provides immediate access to some articles. Volume 43(10); October 15, 1957 Biochemistry STUDIES ON RIBONUCLEIC ACID ISOLATED FROM EHRLICH ASCITES TUMOR CELLS PMCID: PMC528541 MACROMOLECULAR AGGREGATION STATES IN RELATION TO MINERALIZATION: THE COLLAGEN-HYDROXYAPATITE SYSTEM AS STUDIED IN VITRO PMCID: PMC528542 SPERMINE AND RELATED POLYAMINES AS GROWTH STIMULANTS FOR Lactobacillus Casei PMCID: PMC528543 Botany CELL DIVISION IN ISOLATED SINGLE PLANT CELLS IN VITRO PMCID: PMC528546 Chemistry EVIDENCE FOR AN UNSTABLE CO2 FIXATION PRODUCT IN ALGAL CELLS PMCID: PMC528547 THE LUMINESCENCE OF CHLOROPHYLL-CONTAINING PLANT MATERIAL PMCID: PMC528548 Genetics A RELATION OF NUCLEIC ACID SYNTHESIS TO RADIATION-INDUCED MUTATION FREQUENCY IN BACTERIA PMCID: PMC528544 INHERITANCE IN Nicotiana Tabacum. XXVIII. THE CYTOGENETICS OF INTROGRESSION PMCID: PMC528549 CONTROL OF SEX RATIO IN RABBITS BY ELECTROPHORESIS OF SPERMATOZOA PMCID: PMC528550 EXTRANUCLEAR TRANSMISSION IN YEAST HETEROKARYONS PMCID: PMC528551 Mathematics A SEMIGRAPHICAL METHOD FOR THE ANALYSIS OF COMPLEX PROBLEMS PMCID: PMC528552 TERMINAL CONTROL, TIME LAGS, AND DYNAMIC PROGRAMMING PMCID: PMC528553 RANDOM WALK, SCATTERING, AND INVARIANT IMBEDDING I. ONE-DIMENSIONAL DISCRETE CASE PMCID: PMC528554 THE STABLE HOMOTOPY OF THE CLASSICAL GROUPS PMCID: PMC528555 A GENERALIZATION OF WHITNEY'S THEOREM ON IDEALS OF DIFFERENTIABLE FUNCTIONS PMCID: PMC528556 Physiology THE FORMATION OF ANTIBODIES IN MAN AFTER INJECTION OF PNEUMOCOCCAL POLYSACCHARIDES PMCID: PMC528545 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||