This journal provides immediate access to some articles. Volume 44(9); September 1969 Articles Nucleic Acid Metabolism During Cytokinin Induced Cellular Differentiation PMCID: PMC396245 Blockage by Gibberellic Acid of Phytochrome Effects on Growth, Auxin Responses, and Flavonoid Synthesis in Etiolated Pea Internodes PMCID: PMC396246 β-Alanine as an Ethylene Precursor. Investigations Towards Preparation, and Properties, of a Soluble Enzyme System From a Subcellular Particulate Fraction of Bean Cotyledons PMCID: PMC396247 A Survey of the Sequence of Some Effects of Gibberellic Acid in the Metabolism of Cereal Grains PMCID: PMC396248 Adaptation of Barley Roots to Low Oxygen Supply and its Relation to Potassium and Sodium Uptake PMCID: PMC396249 Influence of Age and Sulfur Metabolism on ATP Sulfurylase Activity in the Soybean and a Survey of Selected Species PMCID: PMC396250 Influence of Benzyladenine, Leaf Darkening, and Ringing on Movement of 14C-labeled Assimilates Into Expanded Leaves of Vitis vinifera L PMCID: PMC396251 Regulation of Sulfate Uptake by Amino Acids in Cultured Tobacco Cells PMCID: PMC396252 Effects of Univalent Cations on the Activity of Particulate Starch Synthetase PMCID: PMC396253 Uptake of 3-o-Methylglucose by Healthy and Hypomyces-infected Squash Hypocotyls PMCID: PMC396254 Pear Bud Metabolism: Seasonal Changes in Glucose Utilization PMCID: PMC396255 Movement and Metabolism of Kinetin-14C and of Adenine-14C in Coleus Petiole Segments of Increasing Age PMCID: PMC396256 Phytochrome Control of Maize Leaf Inorganic Pyrophosphatase and Adenylate Kinase PMCID: PMC396257 Polyribosome Isolation in the Presence of Diethyl Pyrocarbonate PMCID: PMC396258 Hormonal Regulation of Cell Elongation in the Hypocotyl of Rootless Soybean: An Evaluation of the Role of DNA Synthesis PMCID: PMC396259 Tryptophan as an Auxin Precursor in Cucumber Seedlings PMCID: PMC396260 Photosynthetic Studies on a Pea-mutant Deficient in Chlorophyll PMCID: PMC396261 Effect of Vanadium on Growth, Chemical Composition, and Metabolic Processes of Mature Sugar Beet (Beta vulgaris L.) Plants PMCID: PMC396262 Carbon Dioxide Exchanges in Leaves. I. Discrimination Between 14CO2 and 12CO2 in Photosynthesis PMCID: PMC396263 The Effect of Respiratory Inhibitors on NADH, Succinate and Malate Oxidation in Corn Mitochondria PMCID: PMC396264 Photooxidation by Photosystem II of Tris-washed Chloroplasts PMCID: PMC396265 Precursors of Ethylene PMCID: PMC396266 Direct Determination of Potassium Ion Accumulation in Guard Cells in Relation to Stomatal Opening in Light PMCID: PMC396267 A Site With an Affinity for Heavy Metals on the Thylakoid Membranes of Chloroplasts PMCID: PMC396268 Apparent Changes in Rate of Kaurene Biosynthesis During the Development of Pea Seeds PMCID: PMC396269 Oxygen Requirement for Ethane Production In Vitro by Phaseolus vulgaris PMCID: PMC396270 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||