Assertion (A) All naturally occurring `alpha`-aminoacids except glycine are optically active.
Reason (R) Most naturally occurring amino acids have L-configuration.

Options

A. Both A and Rare true and R is the correct explanation of A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false and R is True

Answer

B

Explanation

Most of the naturally occurring amino acids have L-configuration. All naturally occurring a-amino acids are optically active except glycine.