Chemical evolution and the origin of life.
D000596:Amino Acids; D005075:Biological Evolution; D007536:Isomerism; D008027:Light; D009696:Nucleic Acids; D000069497:Origin of Life; D010777:Photochemistry; D011506:Proteins; D014867:Water
D000596:Amino Acids; D009696:Nucleic Acids; D011506:Proteins; D014867:Water