JEE Main - Previous Year Papers JEE MAIN 2026 JEE Mains 5 April 2026 Paper Shift -2 Single Correct MCQ
Published on: August 13, 2026

Identify the incorrect statement about tertiary structure of proteins.

A
They can be fibrous or globular in structure.
B
The main forces that stabilize the structure are hydrogen bonding, disulphide links, van der Waals and electrostatic forces of attraction.
C
The structure remains intact when exposed to pH changes.
D
A linear polypeptide chain will convert to a secondary structure and then further folding of the secondary structure will convert to tertiary structure.

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The correct answer is:
C

On changing pH tertiary strutcure of protein disrupted and amino acids intact only by peptide linkage.

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