Empirical support for a stochastic model of evolution Richard Holmquist OriginalPaper Pages: 211 - 222
Genetic code limit organisms — do they exist? Carl R. WoeseMichael A. Bleyman OriginalPaper Pages: 223 - 229
Characterization of the primary structural homology between the 16 S ribosomal RNAs ofEscherichia coli andBacillus megaterium by oligomer cataloging Kenneth J. PechmanCarl R. Woese OriginalPaper Pages: 230 - 240
Polyphosphate and trimetaphosphate formation under potentially prebiotic conditions R. OsterbergL. E. Orgel OriginalPaper Pages: 241 - 248
Studies in prebiotic synthesis. VII W. D. FullerR. A. SanchezL. E. Orgel OriginalPaper Pages: 249 - 257
Formation of urea and guanidine by irradiation of ammonium cyanide R. Lohrmann OriginalPaper Pages: 263 - 269
The possible conservation of genetic information in repetitious sequences of DNA Zhores A. Medvedev Letter to the Editor Pages: 270 - 272
Recently published protein sequences. I Thomas H. JukesRichard Holmquist Letter to the Editor Pages: 273 - 290
