Question:
The structural feature which distinguishes proline from natural α-amino acids is:
The structural feature which distinguishes proline from natural α-amino acids is:
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Proline is the only amino acid with secondary amine.
Updated On: Mar 18, 2026
- Proline is optically inactive
- Proline contains aromatic group
- Proline is a dicarboxylic acid
- Proline is a secondary amine
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The Correct Option is D
Solution and Explanation
Step 1: Structure of proline. The amino group is part of a cyclic structure.
Step 2: Nature of amine. Hence, proline contains a secondary amine.
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