JEE Main - Previous Year Papers JEE MAIN 2025 JEE Mains 02 April 2025 Paper Shift -1 Single Correct MCQ
Published on: August 13, 2026

Identify the correct statement among the following:

A
All naturally occurring amino acids except glycine contain one chiral center.
B
All naturally occurring amino acids are optically active.
C
Glutamic acid is the only amino acid that contains a -COOH group at the side chain.
D
Amino acid, cysteine easily undergo dimerization due to the presence of free SH group.

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Text Solution

Verified by Experts
The correct answer is:
D

Isoleucine has 2 chiral center

Glycine is optically inactive

Aspartic acid also contain COOH group at the side chain.

Cysteine easily dimmerise due to free SH group

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