title: Nucleic acid aggregation geometry and the possible evolutionary origin of ribosomes and the genetic code.
mesh_terms: D001482:Base Composition; D005075:Biological Evolution; D005815:Genetic Code; D046911:Macromolecular Substances; D008957:Models, Genetic; D008958:Models, Molecular; D009690:Nucleic Acid Conformation; D014176:Protein Biosynthesis; D012313:RNA / Q000235:genetics; D012333:RNA, Messenger / Q000235:genetics; D012343:RNA, Transfer / Q000235:genetics; D012270:Ribosomes
chemical_list: D046911:Macromolecular Substances; D012333:RNA, Messenger; D012313:RNA; D012343:RNA, Transfer