This journal provides immediate access to some articles. Volume 43(11); November 15, 1957 Biochemistry GENETIC INTERACTION AMONG STREPTOMYCETES: HETEROKARYOSIS AND SYNKARYOSIS PMCID: PMC528561 PROTEIN SYNTHESIS AND TISSUE INTEGRITY IN THE CORNEA OF THE DEVELOPING CHICK EMBRYO PMCID: PMC528573 Botany THE ACTIVATION OF METABOLIC SYSTEMS DURING CROWN-GALL TUMOR-CELL FORMATION PMCID: PMC528562 INDUCTION OF BOLTING AND FLOWERING IN HYOSCYAMUS AND SAMOLUS BY A GIBBERELLIN-LIKE MATERIAL FROM A SEED PLANT PMCID: PMC528563 Chemistry HYPOTHESIS FOR THE MECHANISM OF ACTION OF CHYMOTRYPSIN PMCID: PMC528565 Genetics DISPROPORTIONATE SYNTHESIS OF DNA IN A POLYTENE CHROMOSOME REGION PMCID: PMC528564 MODIFICATION OF RADIATION-INDUCED INJURY BY POSTTREATMENT WITH OXYGEN PMCID: PMC528566 ON SOME PHENOMENA IN DROSOPHILA RELATED TO SO-CALLED GENIC CONVERSION PMCID: PMC528575 Mathematics TRANSFORMATION GROUPS WITH TWO CLASSES OF ORBITS PMCID: PMC528567 ON UNITARY REPRESENTATIONS OF NILPOTENT LIE GROUPS PMCID: PMC528568 PRODUCTS IN HOMOTOPY AND HOMOLOGY GROUPS PMCID: PMC528569 THE MULTIDIMENSIONAL PREDICTION PROBLEM PMCID: PMC528570 UNIFORM CONVERGENCE FOR MONOTONE MAPPINGS PMCID: PMC528571 Pathology and Bacteriology THE INFECTION OF SUB-CELLULAR ESCHERICHIA COLI, STRAIN B, WITH A DNA PREPARATION FROM T2 BACTERIOPHAGE PMCID: PMC528560 Physics SOLUTION OF THE BOLTZMANN-HILBERT INTEGRAL EQUATION II. THE COEFFICIENTS OF VISCOSITY AND HEAT CONDUCTION PMCID: PMC528572 Psychology SPECTRAL LUMINOSITY CURVES FOR PROTANOPIC, DEUTERANOPIC, AND NORMAL SUBJECTS PMCID: PMC528574 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||