Question

Which one out of (a) to (d) given below correctly represents the structural formula of a basic amino acid?

• A.
• B.
• C.
• D.

Answer 1

The correct option is D

All amino acids have a central carbon atom linked to a hydrogen atom, an amino group, a carboxylic acid group and a side-chain. Basic amino acids have an additional amino group. Thus, they are diaminomonocarboxylic acids. e.g., lysine, arginine, etc.