This journal provides immediate access to some articles. Volume 44(2); February 1958 Astrophysics CHEMICAL AERONOMY PMCID: PMC335372 Biochemistry INDUCTION OF SPECIFIC MUTATIONS WITH 5-BROMOURACIL PMCID: PMC335373 A THEORY OF OPTIMUM CONDITIONS FOR PHASE TRANSITIONS PMCID: PMC335374 THE VISUAL SYSTEM OF THE HONEYBEE PMCID: PMC335375 THE LUCIFERIN-LUCIFERASE REACTION IN A FISH, PARAPRIACANTHUS BERYCIFORMIS, OF NEWLY DISCOVERED LUMINESCENCE PMCID: PMC335376 THE ACTION OF LIGHT ON RHODOPSIN PMCID: PMC335377 ON RESONANCE TRANSFER OF EXCITATION ENERGY BETWEEN AROMATIC AMINOACIDS IN PROTEINS PMCID: PMC335378 THE DEPENDENCE OF PNEUMOCOCCAL TRANSFORMATION ON THE MOLECULAR WEIGHT OF DEOXYRIBOSE NUCLEIC ACID PMCID: PMC335379 OBSERVATIONS IN MYELIN STRUCTURE: INCISURES AND NODAL REGIONS PMCID: PMC335380 THE INACTIVATION OF GROWTH-PROMOTING DISLOCATIONS WITH TEMPERATURE, PRESSURE, AND POISONS PMCID: PMC335381 ON THE ENZYMIC ACTIVITY OF SUBTILISIN-MODIFIED RIBONUCLEASE PMCID: PMC335382 ON THE MECHANISM OF SQUALENE BIOGENESIS PMCID: PMC335383 THE INCORPORATION OF AMINO ACIDS INTO RIBONUCLEIC ACID PMCID: PMC335384 FLUORESCENCE STUDIES OF COENZYME BINDING TO DEHYDROGENASES PMCID: PMC335385 INACTIVATION OF HUMAN ERYTHROCYTE AGGLUTINOGENS M AND N BY INFLUENZA VIRUSES AND RECEPTOR-DESTROYING ENZYME PMCID: PMC335386 AMINO ACID INCORPORATION IN PIGEON PANCREAS FRACTIONS PMCID: PMC335387 A PROBABLE MECHANISM OF ACTION OF SEROTONIN PMCID: PMC335388 Chemistry EXTREMAL PRINCIPLES FOR SIMULATING TRAFFIC FLOW IN A NETWORK PMCID: PMC335389 EARLY UNSTABLE CO2 FIXATION PRODUCTS IN PHOTOSYNTHESIS PMCID: PMC335390 THE NATURE OF BOND ORBITALS AND THE ORIGIN OF POTENTIAL BARRIERS TO INTERNAL ROTATION IN MOLECULES PMCID: PMC335391 IDENTIFICATION OF BLOOD CHARACTERISTICS COMMON TO ALCOHOLIC MALES PMCID: PMC335392 Mathematics AN EXAMPLE OF A NONNORMAL DISTRIBUTION WHERE THE QUOTIENT FOLLOWS THE CAUCHY LAW PMCID: PMC335393 Physics SPIN, STATISTICS, AND THE TCP THEOREM PMCID: PMC335394 Special Report SOME MECHANISMS OF CONSCIOUSNESS DISCOVERED DURING ELECTRICAL STIMULATION OF THE BRAIN PMCID: PMC335365 Symposium on Amino Acid Activation. By Invitation of the Committee on Arrangements of the Autumn Meeting Chairman's Introduction: Some Facts and Problems PMCID: PMC335366 Intermediate Reactions in Amino Acid Incorporation PMCID: PMC335367 An Enzymatic Mechanism for Linking Amino Acids to RNA PMCID: PMC335368 Some Problems Concerning the Activation of Amino Acids PMCID: PMC335369 Tracing of the In Vivo Path from Amino Acid to Protein PMCID: PMC335370 Application of a Theory of Enzyme Specificity to Protein Synthesis PMCID: PMC335371 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||