title: Evolutionary questions: the "progenote".
authors.forename: C R
authors.initials: CR
authors.lastname: Woese
mesh_terms: D005075:Biological Evolution; D004798:Enzymes / Q000235:genetics; D009696:Nucleic Acids / Q000235:genetics; D011506:Proteins / Q000235:genetics
chemical_list: D004798:Enzymes; D009696:Nucleic Acids; D011506:Proteins