title: The evolution of the genetic code.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D005075:Biological Evolution; D055598:Chemical Phenomena; D002621:Chemistry; D004247:DNA / Q000378:metabolism; D005815:Genetic Code; D008954:Models, Biological; D008970:Molecular Weight; D009154:Mutation; D014176:Protein Biosynthesis; D012995:Solubility; D013816:Thermodynamics
chemical_list: D000596:Amino Acids; D004247:DNA