Question

Q. 33 of 54
Mark for review
How many following statements are corr
All natural amino acids are optically
А
active
B NH2 - CH2 - COOH
is optically inactive
At iso-electric point amino acids havin
C
least solubility
In basic medium zwitter ion existed as
D
anion
E Essential amino acids prepared in bod
Non-essential amino acids prepared in
F
body.​

Answer 1

Explanation:

Only 'glycine' is optically inactive (contains two hydrogen atoms at the α-carbon) whereas all amino acids are optically active.