Physics NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 14 PCB MCQ (Single Correct)

During denaturation of protein, which level(s) of structure are disrupted, and which level remains intact?

A
Secondary and tertiary structures are destroyed; primary remains intact.
B
Only secondary structure is destroyed; primary remains intact.
C
Only tertiary structure is destroyed; secondary remains intact.
D
Secondary and tertiary structures remain intact; primary is destroyed.

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Text Solution

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The correct answer is:
A

Denaturation breaks non-covalent interactions (H-bonds, hydrophobic, ionic) loss of secondary & tertiary (and quaternary) structure, while the primary peptide-bond sequence remains intact.

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