1. A mechanism for isotonic fluid flow through the tight junctions of Necturus gallbladder epithelium

   • A. E. Hill
   • B. Shachar-Hill

   Articles Pages: 253 - 262

2. The uptake and metabolism of urea by Chara australis: IV. Symport with sodium—A slip model for the high and low affinity systems

   • N. A. Walker
   • R. J. Reid
   • F. A. Smith

   Articles Pages: 263 - 271

3. The influence of membrane potential on chloride channels activated by GABA in rat cultured hippocampal neurons

   • J. P. Curmi
   • L. S. Premkumar
   • P. W. Gage

   Articles Pages: 273 - 280

4. Thiamine triphosphate activates an anion channel of large unit conductance in neuroblastoma cells

   • L. Bettendorff
   • H. A. Kolb
   • E. Schoffeniels

   Articles Pages: 281 - 288

5. Stilbene disulfonates block ATP-sensitive K⁺ channels in guinea pig ventricular myocytes

   • Tetsushi Furukawa
   • László Virág
   • Masayasu Hiraoka

   Articles Pages: 289 - 302

6. Initiation of RVD response in human platelets: Mechanical-biochemical transduction involves pertussis-toxin-sensitive G protein and phospholipase A₂

   • Alon Margalit
   • Avinoam A. Livne
   • Yosef Granot

   Articles Pages: 303 - 311

7. Irreversible effects of calcium ions on the plasma membrane calcium pump

   • D. G. Ward
   • T. J. H. Walton
   • J. D. Cavieres

   Articles Pages: 313 - 326

8. Electrocoupling of ion transporters in plants

   • D. Gradmann
   • M. R. Blatt
   • G. Thiel

   Articles Pages: 327 - 332

9. Transfer of dye among salivary gland cells is not affected by genetic variations of the period clock gene in Drosophila melanogaster

   • Kimberly K. Flint
   • Michael Rosbash
   • Jeffrey C. Hall

   Articles Pages: 333 - 342