A comparison of the high-active and low-active form of nitrate reductase in synchronous Chlorella sorokiniana Rudolf Tischner OriginalPaper Pages: 1 - 5
l-Ascorbic-acid biosynthesis in the euryhaline diatom Cyclotella cryptica Michael GrünFrank A. Loewus OriginalPaper Pages: 6 - 11
The role of calcium ions in phytochrome-mediated germination of spores of Onoclea sensibilis L. Randy WaynePeter K. Hepler OriginalPaper Pages: 12 - 20
Blue-light-induced chloroplast orientation in Mougeotia. Evidence for a separate sensor pigment besides phytochrome Halina GabryśTadeusz WalczakWolfgang Haupt OriginalPaper Pages: 21 - 24
C3−C4 Intermediate species in the genus Flaveria: leaf anatomy, ultrastructure, and the effect of O2 on the CO2 compensation concentration A. Scott HoladayKit W. LeeRaymond Chollet OriginalPaper Pages: 25 - 32
Inhibited light activation of fructose and sedoheptulose bisphosphatase in spinach chloroplasts exposed to osmotic stress Stuart BoagArchie R. Portis Jr. OriginalPaper Pages: 33 - 40
Phytochrome-mediated phototropism in maize seedling shoots Moritoshi IinoWinslow R. BriggsEberhard Schäfer OriginalPaper Pages: 41 - 51
A mathematical model of pollen-tube penetration in apple styles C. J. JefferiesP. Brain OriginalPaper Pages: 52 - 58
Membrane-potential changes in vacuoles isolated from storage roots of red beet (Beta vulgaris L.) Anthony J. MillerJohn J. BrimelowPhilip John OriginalPaper Pages: 59 - 65
Regulation of growth in stem sections of deep-water rice Ilya RaskinHans Kende OriginalPaper Pages: 66 - 72
The cellular basis of the elongation response in submerged deep-water rice Jean-Pierre MétrauxHans Kende OriginalPaper Pages: 73 - 77
Purification and properties of 5-enolpyruvylshikimate 3-phosphate synthase from seedlings of Pisum sativum L. David M. MousdaleJohn R. Coggins OriginalPaper Pages: 78 - 83
A comparison of the conversion of 1-amino-2-ethylcyclopropane-1-carboxylic acid stereoisomers to 1-butene by pea epicotyls and by a cell-free system Thomas A. McKeonShang Fa Yang OriginalPaper Pages: 84 - 87
Aged preparations are electrophysiologically more representative of intact tissue than are freshly excised preparations N. StarrachC. FreudlingD. Gradmann Short Communication Pages: 88 - 90