Biomolecules · Class 12 · CBSE · Science Chemistry

Denaturation of proteins leads to the loss of biological activity by disrupting which of the following structures?

Practice question from Biomolecules (Class 12 · CBSE · Science Chemistry), with the correct answer and a step-by-step solution.

medium · MCQ · Q-849F28

Denaturation of proteins leads to the loss of biological activity by disrupting which of the following structures?

  1. A.Primary structure only
  2. B.Primary and secondary structures
  3. C.Secondary and tertiary structuresCorrect answer
  4. D.Only peptide bonds

Solution

Denaturation disrupts hydrogen bonds, ionic bonds, and hydrophobic interactions, destroying the 3D tertiary and secondary structures while leaving the primary covalent peptide backbone intact.

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