1. Random walking

   • Thomas H. Jukes

   BriefCommunication Pages: 443 - 444

2. The enhancement activites of histidyl-histidine in some prebiotic reactions

   • C. Shen
   • A. Lazcano
   • J. Oró

   OriginalPaper Pages: 445 - 452

3. Diffusion of Mn²⁺ ions into liposomes mediated by phosphatidate and monitored by the activation of an encapsulated enzymatic system

   • Isabel Baeza
   • Miguel Ibáñez
   • J. Oró

   OriginalPaper Pages: 453 - 461

4. Limiting concentrations of activated mononucleotides necessary for poly(C)-directed elongation of oligoguanylates

   • Anastassia Kanavarioti
   • Sherwood Chang
   • Diann J. Alberas

   OriginalPaper Pages: 462 - 469

5. Computer simulation in template-directed oligonucleotide synthesis

   • Anastassia Kanavarioti
   • Claude F. Bernasconi

   OriginalPaper Pages: 470 - 477

6. P-related sequences inDrosophila bifasciata: A molecular clue to the understanding of P-element evolution in the genusDrosophila

   • Sylvia Hagemann
   • Wolfgang J. Miller
   • Wilhelm Pinsker

   OriginalPaper Pages: 478 - 484

7. Regulatory DNA sequence conserved in the course of BK virus evolution

   • Chie Sugimoto
   • Kazuya Hara
   • Yoshiaki Yogo

   OriginalPaper Pages: 485 - 492

8. Molecular evolution of human T-cell leukemia virus

   • Yasuo Ina
   • Takashi Gojobori

   OriginalPaper Pages: 493 - 499

9. Transfer RNA-like structure of the human Alu family: Implications of its generation mechanism and possible functions

   • Norihiro Okada

   OriginalPaper Pages: 500 - 510

10. A maximum likelihood approach to the detection of selection from a phylogeny

    • Brian Golding
    • Joe Felsenstein

    OriginalPaper Pages: 511 - 523