title: BIOCHEMICAL EVOLUTION. INTRODUCTORY REMARKS.
mesh_terms: D001669:Biochemical Phenomena; D001671:Biochemistry; D005075:Biological Evolution; D009696:Nucleic Acids; D010455:Peptides; D011506:Proteins
chemical_list: D009696:Nucleic Acids; D010455:Peptides; D011506:Proteins
keywords: BIOCHEMISTRY; EVOLUTION; NUCLEIC ACIDS; PEPTIDES; PROTEINS