This journal provides immediate access to some articles. Volume 47(11); November 1961 Article COMPOSITION OF SURFACE-ACTIVE MATERIAL ISOLATED FROM BEEF LUNG PMCID: PMC223225 Astronomy EVOLUTION OF GASEOUS NEBULAE PMCID: PMC223200 Biochemistry THE INACTIVATION OF TRYPSIN BY ULTRAVIOLET LIGHT, II. THE INVOLVEMENT OF INTRAMOLECULAR HYDROGEN BOND DISRUPTION PMCID: PMC223203 ON THE ENERGY TRANSFER IN BIOLOGICAL SYSTEMS PMCID: PMC223204 CALCIUM UPTAKE BY RAT KIDNEY MITOCHONDRIA PMCID: PMC223205 STRUCTURAL DIFFERENCES AMONG ANTIBODIES OF DIFFERENT SPECIFICITIES PMCID: PMC223206 CHEMICAL STUDIES OF SEVERAL VARIETIES OF HB M PMCID: PMC223207 COUPLING BETWEEN PHOSPHORYLATION AND FLAVIN ADENINE DINUCLEOTIDE REDUCTION WITH THE PYRUVATE OXIDASE OF L. DELBRUECKII ENZYME PMCID: PMC223208 A STUDY OF A COMPLETELY DEUTERIATED ENZYME PMCID: PMC223209 THE FAR ULTRAVIOLET ABSORPTION SPECTRA OF POLYPEPTIDE AND PROTEIN SOLUTIONS AND THEIR DEPENDENCE ON CONFORMATION PMCID: PMC223210 Botany AN EVALUATION OF STUDIES ON ULTRASTRUCTURE OF SIEVE PLATES PMCID: PMC223201 IN SITU DETECTION AND ESTIMATION OF CHLOROPHYLL AND OTHER PIGMENTS IN THE OCEAN PMCID: PMC223202 Chemistry POLARIZATION OF THE ULTRAVIOLET ABSORPTION BANDS IN α-HELICAL POLYPEPTIDES PMCID: PMC223211 EXTENSIONS OF THE VALENCE THEORY OF BORON COMPOUNDS PMCID: PMC223212 INTERACTIONS OF BORANES AND THEIR IONS WITH PARAMAGNETIC S-STATE IONS PMCID: PMC223213 THE OCCURRENCE OF GAS HYDRATES IN THE SOLAR SYSTEM PMCID: PMC223214 Engineering MODES IN SEQUENCES OF LENSES PMCID: PMC223215 Genetics INFLUENCE OF PENICILLIN ON FREQUENCY OF INDUCED MUTATIONS PMCID: PMC223216 METAMORPHOSIS OF HUMAN AMNION CELLS INDUCED BY PREPARATIONS OF INTERFERON PMCID: PMC223217 Geology WOODRING CONFERENCE ON MAJOR BIOLOGIC INNOVATIONS AND THE GEOLOGIC RECORD PMCID: PMC223199 Mathematics THE PATHS OF RAYS OF LIGHT IN GENERAL RELATIVITY OF THE NONSYMMETRIC FIELD V4 PMCID: PMC223218 A NEW TECHNIQUE FOR THE CONSTRUCTION OF SOLUTIONS OF NONLINEAR DIFFERENTIAL EQUATIONS PMCID: PMC223219 SOME ASPECTS OF THE FERMAT PROBLEM (THIRD PAPER) PMCID: PMC223220 CONFORMAL MAPS OF SMALL DISKS PMCID: PMC223221 COMPRESSIBILITY AND UNIFORM CONVERGENCE PMCID: PMC223222 Physics ACHIEVEMENT OF SEDIMENTATION EQUILIBRIUM PMCID: PMC223223 RELATIVISTIC UNIVERSES WITH SHEAR PMCID: PMC223224 Psychology PERFORMANCE IN EYELID CONDITIONING AS A FUNCTION REINFORCEMENT SCHEDULES AND CHANGES IN THEM PMCID: PMC223226 Zoölogy CELLULAR DIFFERENTIATION IN COLONIES DERIVED FROM SINGLE CELL PLATINGS OF FRESHLY ISOLATED CHICK EMBRYO MUSCLE CELLS PMCID: PMC223227 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||