Correct Answer: D
Explanation:
Aspartic acid (abbreviated as Asp) is an α-amino acid with the chemical formula HOOCCH(NH2)CH2COOH. The carboxylate anion and salts of aspartic acid are known as aspartate.
Glutamic acid (abbreviated as Glu ) is one of the 20-23 proteinogenic amino acids. The carboxylate anions and salts of glutamic acid are known as glutamates.