Question

What structural feature distinguishes glycine from other natural $\alpha$ -aminoacids?

• A. It is optically inactive
• B. It contains aromatic group
• C. It is a dicarboxylic acid
• D. It has a secondary amine

Answer 1

Answer: (A)

It is optically inactive

Answer 2

Glycine is an optically inactive $\alpha$ -amino acid while all other a-amino acids are optically active. The structure of glycine is as: $N{{H}_{2}}C{{H}_{2}}COOH$