1. Editor's note

   EditorialNotes Pages: 2 - 2

2. Synthesis of highly unsaturated phosphatidylcholines in the development of sperm motility: a role for epididymal glycerol-3-phosphorylcholine

   • J. P. Infante
   • V. A. Huszagh

   Current Thinking Pages: 3 - 6

3. Metabolism of leukotrienes

   • Sven Hammarström
   • Lars Örning
   • Kerstin Bernström

   Review Pages: 7 - 16

4. The development of biochemistry in the 20th century

   • J. H. Quastel

   Special Article Pages: 17 - 26

5. Nucleoside phosphotransferase in animal tissues. Tissue distribution and kinetic properties

   • R. Vento
   • M. Giuliano
   • G. Tesoriere

   Original Articles Pages: 27 - 34

6. The α and γ subunits of 7S nerve growth factor are present in excess concentrations in the mouse submandibular gland

   • Nicholas J. Pantazis
   • Robert Jensen

   Original Articles Pages: 35 - 48

7. Substrate selectivity of acyl-CoA:lysolecithin acyltransferase from rabbit lung

   • Pilar Estrada
   • Carmen Acebal
   • Roberto Arche

   Original Articles Pages: 49 - 54

8. Polymeric structure of the cyclic AMP-dependent protein kinase from the dimorphic fungus Mucor rouxii and purification of its catalytic subunit

   • Ricardo Pastori
   • Silvia Moreno
   • Susana Passeron

   Original Articles Pages: 55 - 66

9. Cathepsin B and D activity in stimulated peritoneal macrophages

   • Marvin Lesser
   • Jui C. Change
   • Marian Orlowski

   Original Articles Pages: 67 - 73

10. Interaction of 9-(1,3-dihydroxy-2-propoxymethyl)guanine with cytosol and mitochondrial deoxyguanosine kinases: possible role in anti-cytomegalovirus activity

    • Donald F. Smee

    Original Articles Pages: 75 - 81

11. Inhibition of insulin receptor phosphorylation by indomethacin

    • Carl D. Malchoff
    • Joseph L. Messina
    • Joseph Larner

    Original Articles Pages: 83 - 90