Home Chemistry Biomolecules Proteins, Amino Acids and Enzymes Which of the following statements are correc…
Chemistry Biomolecules Proteins, Amino Acids and Enzymes Single Correct MCQ
Published on: August 13, 2026

Which of the following statements are correct?

(i) Proteins on hydrolysis give only -amino acids.
(ii) Gln stands for glutamic acid.
(iii) Amino acids with equal number of amino and carboxyl groups are neutral.
(iv) All naturally occurring -amino acids are optically active.

A
(i) and (iii)
B
(i), (ii) and (iv)
C
(iii) and (iv)
D
(ii), (iii) and (iv)

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Text Solution

Verified by Experts
The correct answer is:
A

"Glu" stands for glutamic acid. Glycine is a naturally occurring amino acid which is optically

inactive.

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