title: Evolution at two levels in humans and chimpanzees.
mesh_terms: D000483:Alleles; D000595:Amino Acid Sequence; D000818:Animals; D005075:Biological Evolution; D004586:Electrophoresis; D004798:Enzymes / Q000096:biosynthesis; D005796:Genes; D005815:Genetic Code; D006801:Humans; D008954:Models, Biological; D009154:Mutation; D002679:Pan troglodytes / Q000378:metabolism*; D014176:Protein Biosynthesis; D011506:Proteins / Q000032:analysis
chemical_list: D004798:Enzymes; D011506:Proteins