This journal provides immediate access to some articles. Volume 68(4); October 1981 Articles Characterization of a Molecular Modification of Phytochrome That Is Associated with Its Conversion to the Far-Red-Absorbing Form PMCID: PMC425987 Role of Carotenoids in the Phototropic Response of Corn Seedlings PMCID: PMC425988 Catabolism of [1-14C]Levulinic Acid by Etiolated and Greening Barley Leaves PMCID: PMC425989 Effect of pH, Mg2+, CO2 and Mercurials on the Circular Dichroism, Thermal Stability and Light Scattering of Ribulose 1,5-Bisphosphate Carboxylases from Alfalfa, Spinach and Tobacco PMCID: PMC425990 Radiotracer Evidence Implicating Phosphoryl and Phosphatidyl Bases as Intermediates in Betaine Synthesis by Water-Stressed Barley Leaves PMCID: PMC425991 Cycloheximide Stimulation of Cyanide-Resistant Respiration in Suspension Cultures of Senescent Pear Fruit Cells PMCID: PMC425992 Glutamate Dehydrogenase in Developing Endosperm, Chloroplasts, and Roots of Castor Bean PMCID: PMC425993 Effects of Carbon Dioxide on Ethylene Production and Action in Intact Sunflower Plants PMCID: PMC425994 Cadmium Distribution and Chemical Fate in Soybean Plants PMCID: PMC425995 Effect of Nitrate in the Rooting Medium on Carbohydrate Composition of Soybean Nodules PMCID: PMC425996 Organelle-Specific Isozymes of Citrate Synthase in the Endosperm of Developing Ricinus Seedlings PMCID: PMC425997 Effects of Leupeptin on Proteinase and Germination of Castor Beans PMCID: PMC425998 Involvement of Ethylene in Chlorophyll Degradation in Peel of Citrus Fruits PMCID: PMC425999 Intracellular Concentrations and Metabolism of Carbon Compounds in Tobacco Callus Cultures: Effects of Light and Auxin PMCID: PMC426000 Differential Compartmentation of Gibberellin A1 and Its Metabolites in Vacuoles of Cowpea and Barley Leaves PMCID: PMC426001 Foliar Fatty Acids and Sterols of Soybean Field Fumigated with SO2 PMCID: PMC426002 Annual Variation in Sterol Levels in Leaves of Taraxacum officinale Weber PMCID: PMC426003 Interaction of Ethylene and a Cytokinin in Promoting Hypocotyl Elongation in a Dwarf Strain of Watermelon PMCID: PMC426004 Effect of Vanadate on Bean Leaf Movement, Stomatal Conductance, Barley Leaf Unrolling, Respiration, and Phosphatase Activity PMCID: PMC426005 Ozone Sensitivity in Sweet Corn (Zea mays L.) Plants: A Possible Relationship to Water Balance PMCID: PMC426006 Ploidy Effects on Anatomy and Gas Exchange of Tall Fescue Leaves PMCID: PMC426007 Photosynthesis in Polyploid Tall Fescue : II. PHOTOSYNTHESIS AND RIBULOSE-1, 5-BISPHOSPHATE CARBOXYLASE OF POLYPLOID TALL FESCUE PMCID: PMC426008 Effect of Sulfhydryl Reagents on the Biophysical Properties of the Plasmalemma of Chara corallina PMCID: PMC426009 Examination of Le and lele Genotypes of Glycine max (L.) Merr. for Membrane-Bound and Buffer-Soluble Soybean Lectin PMCID: PMC426010 Arabinogalactan Protein from a Crude Cell Organelle Fraction of Phaseolus vulgaris L. PMCID: PMC426011 Iron Uptake and Translocation by Macrocystis pyrifera PMCID: PMC426012 Correlation between Changes in Mitochondrial Membranes of Artichoke Tubers and Their Hardening and Dormancy PMCID: PMC426013 Pyrophosphorylases in Solanum tuberosum: II. CATALYTIC PROPERTIES AND REGULATION OF ADP-GLUCOSE AND UDP-GLUCOSE PYROPHOSPHORYLASE ACTIVITIES IN POTATOES PMCID: PMC426014 Partial Purification and Characterization of Endoproteinases from Senescing Barley Leaves PMCID: PMC426015 Compartmentation of Sulfur Metabolites in Tobacco Cells : USE OF EFFLUX ANALYSIS PMCID: PMC426016 Effects of Hydroxamic Acids Isolated from Gramineae on Adenosine 5′-triphosphate Synthesis in Chloroplasts PMCID: PMC426017 Desaturation of Fatty Acids Associated with Monogalactosyl Diacylglycerol: The Effects of San 6706 and San 9785 PMCID: PMC426018 Metabolism of Linoleic Acid by Barley Lipoxygenase and Hydroperoxide Isomerase PMCID: PMC426019 Characterization of Carrot Cell Wall Protein : I. EFFECT OF α, α′-DIPYRIDYL ON CELL WALL PROTEIN SYNTHESIS AND SECRETION IN INCUBATED CARROT DISCS PMCID: PMC426020 Characterization of Carrot Cell Wall Protein : II. IMMUNOLOGICAL STUDY OF CELL WALL PROTEIN PMCID: PMC426021 Effects of Growth Irradiance Levels on the Ratio of Reaction Centers in Two Species of Marine Phytoplankton PMCID: PMC426022 Contributions of Respiratory and Photosynthetic Pathways during Growth of a Facultative Photoautotrophic Cyanobacterium, Aphanocapsa 6714 PMCID: PMC426023 Short Communications Hydroxyproline Glycosides in Secretory Arabinogalactan-Protein of Phaseolus vulgaris L. PMCID: PMC426024 Proton Efflux from Corn Roots Induced by Tripropyltin PMCID: PMC426025 Dinitrogen Fixation by Cultures of Frankia sp CpIl Demonstrated by 15N2 Incorporation PMCID: PMC426026 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||