Which one of the following statements is correct?

Options

A. All amino acids except glutamic acid are optically active.
B. All amino acids except lysine are optically acitve.
C. All amino acids are optically active.
D. All amino acids except glycine are otptically active.

Answer

D

Explanation

(A) and © are between `C_(1) and C_(4)`, (B) is between `C_(1)` and `C_(6)`.