title: On the phylogeny of t-RNA's.
mesh_terms: D000818:Animals; D001483:Base Sequence; D005075:Biological Evolution; D004926:Escherichia coli; D005815:Genetic Code; D007930:Leucine; D008954:Models, Biological; D009154:Mutation; D009711:Nucleotides / Q000032:analysis*; D011336:Probability; D012343:RNA, Transfer / Q000032:analysis*; D051381:Rats; D012694:Serine; D014633:Valine
chemical_list: D009711:Nucleotides; D012694:Serine; D012343:RNA, Transfer; D007930:Leucine; D014633:Valine