title: Ribosomal ribonucleic acid in evolution.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002467:Cell Nucleus; D004330:Drosophila; D056890:Eukaryota; D005658:Fungi; D008970:Molecular Weight; D009690:Nucleic Acid Conformation; D009693:Nucleic Acid Hybridization; D012335:RNA, Ribosomal; D014981:Xenopus
chemical_list: D012335:RNA, Ribosomal