1. Wheat tissues freeze-etched during exposure to extracellular freezing: distribution of ice

   • R. S. Pearce
   • J. H. M. Willison

   OriginalPaper Pages: 295 - 303

2. A freeze-etch study of the effects of extracellular freezing on cellular membranes of wheat

   • R. S. Pearce
   • J. H. M. Willison

   OriginalPaper Pages: 304 - 316

3. The isolation of coated vesicles from protoplasts of soybean

   • Brent G. Mersey
   • Lawrence R. Griffing
   • Larry C. Fowke

   OriginalPaper Pages: 317 - 327

4. Ultrastructure of infection-thread development during the infection of soybean by Rhizobium japonicum

   • B. G. Turgeon
   • W. D. Bauer

   OriginalPaper Pages: 328 - 349

5. Plasma-membrane rosettes in root hairs of Equisetum hyemale

   • Anne Mie C. Emons

   OriginalPaper Pages: 350 - 359

6. Freeze-fracture evidence of gel-phase lipid in membranes of senescing cowpea cotyledons

   • K. A. Platt-Aloia
   • W. W. Thomson

   OriginalPaper Pages: 360 - 369

7. Repair in vitro of nitrate reductase-deficient tobacco mutants (cnxA) by molybdate and by molybdenum cofactor

   • Ralf R. Mendel
   • Andreas J. Müller

   OriginalPaper Pages: 370 - 375

8. Proton translocation in corn coleoptiles: ATPase or redox chain?

   • Michael Böttger
   • Michael Bigdon
   • Hans-Jürgen Soll

   OriginalPaper Pages: 376 - 380

9. Mechanics of circadian pulvini movements in Phaseolus coccineus L.

   • W. -E. Mayer
   • D. Flach
   • E. Wiech

   OriginalPaper Pages: 381 - 390

10. Acetic acid esters and permeable weak acids induce active proton extrusion and extension growth of coleoptile segments by lowering the cytoplasmic pH

    • Achim Hager
    • Ilse Moser

    OriginalPaper Pages: 391 - 400

11. Tropic reversal in Phycomyces

    • Paul Galland
    • Vincenzo E. A. Russo

    OriginalPaper Pages: 401 - 404

12. Superoxide dismutase in Scenedesmus obliquus

    • Mark J. Redmond
    • Alan R. McEuen
    • Roy Powls

    OriginalPaper Pages: 405 - 410

13. Proton/chloride cotransport in Chara: mechanism of enhanced influx after rapid external acidification

    • D. Sanders
    • F. A. Smith
    • N. A. Walker

    OriginalPaper Pages: 411 - 418

14. Chlorophyll a fluorescence and light-scattering kinetics displayed by leaves during induction of photosynthesis

    • M. N. Sivak
    • U. Heber
    • D. A. Walker

    OriginalPaper Pages: 419 - 423

15. Osmotic adjustment in Spirulina platensis

    • S. R. C. Warr
    • R. H. Reed
    • W. D. P. Stewart

    OriginalPaper Pages: 424 - 429

16. Gibberellic-acid-responsive protoplasts from mature aleurone of Himalaya barley

    • J. V. Jacobsen
    • J. A. Zwar
    • P. M. Chandler

    OriginalPaper Pages: 430 - 438