Miller found the amino acids glycine, alanine, aspartic and glutamic acid ... That same year, the structure of DNA was elucidated, revealing even more strikingly the crucial role of very basic ...

This image illustrates the general structure of an amino acid.The central ... asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Amino acids can be ...