This journal provides immediate access to some articles. Volume 45(5); May 1970 Articles Gas-Liquid Chromatographic Isolation of Cytokinins from Natural Sources: 6-(3-Methyl-2-butenylamino) purine from Agrobacterium Tumefaciens PMCID: PMC396456 Factors Involved in the Opening of the Hypocotyl Hook of Cotton and Beans PMCID: PMC396457 Involvement of Ethylene in Responses of Etiolated Bean Hypocotyl Hook to Coumarin PMCID: PMC396458 Glutamic Acid Decarboxylation in Chlorella PMCID: PMC396459 Some Effects of Hydrolytic Enzymes on Coupled and Uncoupled Electron Flow in Chloroplasts PMCID: PMC396460 Immunochemical and Spectroscopic Evidence for Protein Conformational Changes in Phytochrome Transformations PMCID: PMC396461 Time Course of Exudation from Excised Corn Root Segments of Different Stages of Development PMCID: PMC396462 Movement of (RS)-Abscisic Acid in the Cotton Explant PMCID: PMC396463 Influence of Age and Illumination on Distribution of Several Calvin Cycle Enzymes in Greening Barley Leaves PMCID: PMC396464 Chloroplast and Cytoplasmic Enzymes: Three Distinct Isoenzymes Associated with the Reductive Pentose Phosphate Cycle PMCID: PMC396465 Effects of Helminthosporium victoriae Toxin on Germination and Aleurone Secretion by Resistant and Susceptible Seeds PMCID: PMC396466 Influence of Nickel on the Detection of Nitrate Reductase Activity in Sorghum Extracts PMCID: PMC396467 Biphasic Inhibition of Photosynthesis in Powdery Mildewed Barley PMCID: PMC396468 The Culture of Plant Cells with Ammonium Salts as the Sole Nitrogen Source PMCID: PMC396469 Potassium Fluxes during Potassium Absorption by Intact Barley Plants of Increasing Potassium Content PMCID: PMC396470 Effects of Iron and Copper Ions in Promotion of Selective Abscission and Ethylene Production by Citrus Fruit and the Inactivation of Indoleacetic Acid PMCID: PMC396471 Deoxyribonucleic Acid-dependent Ribonucleic Acid Polymerase Activity of Nuclei and Plastids from Etiolated Peas and their Response to Red and Far Red Light in Vivo PMCID: PMC396472 Inhibition of Oxygen Evolution in Chloroplasts Isolated from Leaves with Low Water Potentials PMCID: PMC396473 Physicochemical Studies on the Proteins of the Peanut Cotyledon and Embryonic Axis PMCID: PMC396474 Effects of Ethylene and 2-Chloroethylphosphonic Acid on the Ripening of Grapes PMCID: PMC396475 Photoreduction of α-Ketoglutarate to Glutamate by Vicia faba Chloroplasts PMCID: PMC396476 Ethylene Production by Autoclaved Rubber Injection Caps Used in Biological Systems PMCID: PMC396477 Effect of Chloramphenicol on Amino Acid Incorporation by Chloroplasts and Comparison with the Effect of Chloramphenicol on Chloroplast Development in Vivo PMCID: PMC396478 Sterol Changes in Maize Leaves Infected with Helminthosporium carbonum PMCID: PMC396479 Effect of Ethionine on Invertase Development and Methylation of Ribonucleic Acid PMCID: PMC396480 Transport of Potassium and Rubidium in Plant Roots: The Significance of Calcium PMCID: PMC396481 Turnover in the Transportable Pool of Auxin PMCID: PMC396482 Ethylene Inhibition of Auxin Transport by Gravity in Leaves PMCID: PMC396483 Circadian Leaf Movements in Biloxi Soybeans PMCID: PMC396484 Journal Matter Original table of contents page | ||