1. Endosymbionts and mitochondrial origins

   • Carl R. Woese

   OriginalPaper Pages: 93 - 96

2. The restriction of codon ambiguity on the basis of known variants

   • Walter M. Fitch

   OriginalPaper Pages: 97 - 102

3. Infrared spectral characterization of peptidic material produced by ionizing radiation in aqueous cyanides

   • I. G. Draganić
   • Z. D. Draganić
   • S. V. Ribnikar

   OriginalPaper Pages: 103 - 109

4. A comparison of alternate metabolic strategies for the utilization of D-arabinose

   • Edward J. St. Martin
   • Robert P. Mortlock

   OriginalPaper Pages: 111 - 122

5. Evolutionary changes ofα-crystallin and the phylogeny of mammalian orders

   • Wilfried W. de Jong
   • J. Timothy Gleaves
   • Donald Boulter

   OriginalPaper Pages: 123 - 135

6. Formation of nucleoside 5′-phosphoramidates under potentially prebiological conditions

   • R. Lohrmann

   OriginalPaper Pages: 137 - 154

7. On the cysteine and cystine content of proteins

   • Robert C. Fahey
   • John S. Hunt
   • Gayle C. Windham

   OriginalPaper Pages: 155 - 160

8. Stereoselective crystallization induced by traces of dissolved optically active impurities

   • K. L. Kovács

   OriginalPaper Pages: 161 - 166

9. Molecular evolution of snake venom toxins

   • T. H. Hseu
   • E. D. Jou
   • C. C. Yang

   OriginalPaper Pages: 167 - 182

10. Recently published papers in the field of molecular evolution

    OriginalPaper Pages: i - xii