1. Effects of Ca²⁺ and lipoxygenase inhibitors on hexokinase degradation in rabbit reticulocytes

   • Mauro Magnani
   • Giordano Serafini
   • Vilberto Stocchi

   Original Article Pages: 3 - 7

2. Effect of phospholipids on the activity of sialosyl lactosylceramide (GM3): N-acetylgalactosaminyl transferase from chick embryo brain

   • Sonia Cortassa
   • Hugo J. F. Maccioni

   Original Article Pages: 9 - 17

3. Transient transfection of mammalian cells with DNA of the plant-pathogenic Ti-plasmid and expression of marker and resident sequences

   • Klaus Geider
   • Gholamreza Darai
   • Günter Harth

   Original Article Pages: 19 - 28

4. Inhibition of pulmonary thromboxane A₂ synthase activity and airway responses by CGS 13080

   • Dennis B. McNamara
   • Julie K. Harrington
   • Philip J. Kadowitz

   Original Article Pages: 29 - 41

5. An increase of collagen biosynthesis in livers of rats submitted to chronic intoxication with ethanol

   • Edward Bańkowski
   • Elźbieta Pawlicka

   Original Article Pages: 43 - 48

6. Characterization of cholinesterase molecular forms in the mucosal cells along the intestine of the chicken

   • Jean-Pierre Sine
   • Raymond Ferrand
   • Bernard Colas

   Original Article Pages: 49 - 56

7. Consequences of terbium (111) binding on the conformation and enzymatic activity of Guinea pig liver transglutaminase

   • Komandoor E. Achyuthan
   • Ann Mary
   • Charles S. Greenberg

   Original Article Pages: 57 - 65

8. Structure of heavy and light chain subunits of type A botulinum neurotoxin analyzed by circular dichroism and fluorescence measurements

   • Bal Ram Singh
   • B. R. DasGupta

   Original Article Pages: 67 - 73

9. Effect of calmodulin on sarcoplasmic reticular Ca²⁺-transport in the aging heart

   • Clayton E. Heyliger
   • Allan R. Prakash
   • John H. McNeill

   Original Article Pages: 75 - 791

10. Choline transport in Pseudomonas aeruginosa

    • Mario A. Salvano
    • Teresita A. Lisa
    • Carlos E. Domenech

    Original Article Pages: 81 - 89

11. Metabolic adaptation of the renal carbohydrate metabolism. II

    • Leticia García-Salguero
    • José A. Lupiánez

    Original Article Pages: 91 - 100

12. Announcement

    Announcement Pages: 101 - 101