Template-directed synthesis on short oligoribocytidylates Kazimierz GrzeskowiakLeslie E. Orgel OriginalPaper Pages: 287 - 289
Abiogenic synthesis of oligonucleotides on kaolinite under the action of ultraviolet radiation T. F. StrigunkovaG. A. LavrentievV. A. Otroshchenko OriginalPaper Pages: 290 - 293
Molecular evolution of the carbonic anhydrase genes: Calculation of divergence time for mouse carbonic anhydrase I and II Peter J. FraserPeter J. Curtis OriginalPaper Pages: 294 - 299
Nucleotide sequences ofCyanophora paradoxa cellular and cyanelle-associated 5S ribosomal RNAs: The cyanelle as a potential intermediate in plastid evolution E. Stuart MaxwellJoyce LiuJessup M. Shively OriginalPaper Pages: 300 - 304
Characterization of the two nonallelic genes encoding mouse preproinsulin Bruce M. WentworthIda M. SchaeferJohn M. Chirgwin OriginalPaper Pages: 305 - 312
Divergence and evolution of geminivirus genomes Alan J. HowarthRobert M. Goodman OriginalPaper Pages: 313 - 319
Enzymatic synthesis and some properties of a model primitive tRNA Masataka KinjoTsunemi HasegawaMasahiro Ishigami OriginalPaper Pages: 320 - 327
The complete amino acid sequences of cytosolic and mitochondrial aspartate aminotransferases from horse heart, and inferences on evolution of the isoenzymes Shawn DoonanFilippo MartiniFrancesco Bossa OriginalPaper Pages: 328 - 335
Examination of protein sequence homologies: III. Ribosomal protein YS25 fromSaccharomyces cerevisiae and its counterparts fromSchizosaccharomyces pombe, rat liver, andEscherichia coli Eiko OtakaTatsuo OoiTsutomu Kumazaki OriginalPaper Pages: 337 - 342
Intralineage diversity of archaebacterial ribosomes: A dichotomy of ribosome features separates sulfur-dependent archaebacteria and methanococcaceae from other archaebacterial taxa Angela TeichnerPaola LondeiPiero Cammarano OriginalPaper Pages: 343 - 353
Statistical properties of molecular tree construction methods under the neutral mutation model Yoshio TatenoFumio Tajima OriginalPaper Pages: 354 - 361