When a protein in its native form, is subjected to physical or chemical change, then its
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Only the primary structure remains intact.
When a protein in its native form is subjected to physical or chemical change, denaturation occurs.
- Denaturation does not break peptide (amide) bonds, so the primary structure remains intact.
- Secondary, tertiary (and quaternary) structures are destroyed.