title: Why is Crick's adaptor an RNA and not a protein?
authors.forename: D
authors.initials: D
authors.lastname: Elder
mesh_terms: D000818:Animals; D014176:Protein Biosynthesis; D012343:RNA, Transfer / Q000502:physiology*; D012261:Ribonucleoproteins / Q000502:physiology*
chemical_list: D012261:Ribonucleoproteins; D012343:RNA, Transfer