1. The influence of cold acclimation on the behavior of the plasma membrane following osmotic contraction of isolated protoplasts

   • W. J. Gordon-Kamm
   • P. L. Steponkus

   OriginalPaper Pages: 161 - 173

2. Interference of cell wall regeneration ofBoergesenia forbesii protoplasts by Tinopal LPW, a fluorescent brightening agent

   • T. Itoh
   • R. M. O'Neil
   • R. M. Brown Jr.

   OriginalPaper Pages: 174 - 183

3. An investigation of the role of transcellular ion currents in morphogenesis ofGriffithsia pacifica Kylin

   • Susan D. Waaland
   • William J. Lucas

   OriginalPaper Pages: 184 - 191

4. Ultrastructure and autoradiography of dormant and activated parenchyma ofHelianthus tuberosus

   • M. A. Favali
   • D. Serafini-Fracassini
   • P. Sartorato

   OriginalPaper Pages: 192 - 202

5. Actin microfilaments are involved in scale formation of the chrysomonad cellSynura

   • G. Brugerolle
   • G. Bricheux

   OriginalPaper Pages: 203 - 212

6. Fractionation of suspension cultures of wild carrot and kinetics of membrane labeling

   • Barbara Gripshover
   • D. J. Morré
   • W. F. Boss

   OriginalPaper Pages: 213 - 220

7. Distribution of golgi apparatus-associated polyribosomes across the polarity axis of dictyosomes of wild carrot (Daucus carota L.)

   • D. J. Morré
   • W. F. Boss
   • H. H. Mollenhauer

   Brief Reports Pages: 221 - 225

8. Serial reconstruction of the mitochondrial reticulum in the coccolithophorid,Pleurochrysis carterae (Prymnesiophyceae)

   • P. L. Beech
   • R. Wetherbee

   Brief Reports Pages: 226 - 229

9. Helical structures in the cytoplasm of differentiating cells ofMicrasterias thomasiana

   • Ursula Meindl

   Brief Reports Pages: 230 - 232