1. Commentary

   • James P. Ferris

   EditorialNotes Pages: 1 - 2

2. Role of amphiphilic compounds in the evolution of membrane structure on the early earth

   • David W. Deamer

   OriginalPaper Pages: 3 - 25

3. Did template-directed nucleation precede molecular replication?

   • Leslie E. Orgel

   OriginalPaper Pages: 27 - 34

4. Universal regularities in protein primary structure: Preference in bonding and periodicity

   • Orlin Ch. Ivanov
   • Berthold Förtsch

   OriginalPaper Pages: 35 - 49

5. Investigation on the asymmetrical induced yields in⁹⁰Sr-⁹⁰Y-beta-irradiated D- and L-alanines

   • E. Conte
   • G. Fanfani
   • A. D'Addabbo

   OriginalPaper Pages: 51 - 57

6. Chemical evolution of iron containing enzymes: Mixed ligand complexes of iron as intermediary steps

   • Kamaluddin
   • Mala Singh
   • Sushama W. Deopujari

   OriginalPaper Pages: 59 - 68

7. The adsorption and reaction of adenine nucleotides on montmorillonite

   • James P. Ferris
   • William J. Hagan Jr.

   OriginalPaper Pages: 69 - 84

8. Kinetics of the hydrolysis of guanosine 5′-phospho-2-methylimidazolide

   • Anastassia Kanavarioti

   OriginalPaper Pages: 85 - 103

9. Book review

   • James Orenberg

   BookReview Pages: 105 - 106