Which of the following statements is/are wrong

Options

A. All amino acids are optically active
B. Most of the naturally occuring amino acids are L - amino acids
C. Glycine is optically inactive
D. All amino acids contain a primary amino group except proline

Answer

A

Explanation

Glycine `overset(NH_(2))overset("| ")("C ")H_(2)-COOH` is optically inactive.