title: Toward a molecular taxonomy.
mesh_terms: D005075:Biological Evolution; D002965:Classification; D003574:Cytochrome c Group / Q000096:biosynthesis; D005815:Genetic Code; D006454:Hemoglobins / Q000096:biosynthesis; D008954:Models, Biological; D012343:RNA, Transfer
chemical_list: D003574:Cytochrome c Group; D006454:Hemoglobins; D012343:RNA, Transfer