This journal provides immediate access to some articles. Volume 43(9); September 1968 Articles Continuity of the Chloroplast Membrane Systems in Zea mays L. PMCID: PMC1087017 Plant Nucleases. I. Separation and Purification of Two Ribonucleases and One Nuclease From Corn PMCID: PMC1087018 Plant Nucleases. II. Properties of Corn Ribonucleases I and II and Corn Nuclease I PMCID: PMC1087019 The Differentiation of Pigmentation in Flower Parts, IV. Flavonoid Elaborating Enzymes From Petals of Impatiens balsamina s PMCID: PMC1087020 Ribonuclease Activity Associated With Ribosomes of Zea mays PMCID: PMC1087021 Calcium and Nodulation in Subterranean Clover (Trifolium subterraneum L.) PMCID: PMC1087022 Lipids in Grape Roots in Relation to Chloride Transport PMCID: PMC1087023 Ion Transport Characteristics of Grape Root Lipids in Relation to Chloride Transport PMCID: PMC1087024 Does Ethylene Mediate Root Growth Inhibition by Indole-3-Acetic Acid? PMCID: PMC1087025 Translocation of Assimilates and Phosphate in Detached Bean Leaves PMCID: PMC1087026 Gas-Liquid Chromatography of Trimethylsilyl Derivatives of Abscisic Acid and Other Plant Hormones PMCID: PMC1087027 Oxido-Reduction States and Natural Homologue of Ubiquinone (Coenzyme Q) in Submitochondrial Particles From Etiolated Mung Bean (Phaseolus aureus) Seedlings PMCID: PMC1087028 Uptake of Carrier-free 137Cs by Ramalina reticulata PMCID: PMC1087029 On Methods of Isolation of Active, Tightly Coupled Mitochondria of Wheat Seedlings PMCID: PMC1087030 δ-Aminolevulinic Acid Transaminase in Chlorella vulgaris PMCID: PMC1087031 The Isolation of Spinach Chloroplasts in Pyrophosphate Media PMCID: PMC1087032 Photosynthesis by Isolated Chloroplasts, Simultaneous Measurement of Carbon Assimilation and Oxygen Evolution PMCID: PMC1087033 Species Specificity in the Biosynthesis of Branched Paraffins in Leaves PMCID: PMC1087034 Invertase Inhibitors From Red Beet, Sugar Beet, and Sweet Potato Roots PMCID: PMC1087035 Relationship Between Metabolism and the Lateral Transport of IAA in Corn Coleoptiles PMCID: PMC1087036 Abscisic Acid Levels and Seed Dormancy PMCID: PMC1087037 Synthesis and Stability of Chloroplast Ribosomal—RNA's PMCID: PMC1087038 Short Communications Effect of 2,4-Dichlorophenoxyacetic Acid on the Cytokinin Requirement of Soybean Cotyledon and Tobacco Stem Pith Callus Tissues PMCID: PMC1087039 An Electron Donor System For Nitrogenase-Dependent Acetylene Reduction by Extracts of Soybean Nodules PMCID: PMC1087040 Cytochrome Oxidase of Cactus PMCID: PMC1087041 Inhibition of Gibberellic Acid-induced Germination by Abscisic Acid and Reversal by Cytokinins PMCID: PMC1087042 Tests Whether a Head to Head Condensation Mechanism Occurs in the Biosynthesis of n-Hentriacontane, the Paraffin of Spinach and Pea Leaves PMCID: PMC1087043 Journal Matter Original table of contents page | ||