NEET Previous Year Question

The two polypeptides of human insulin are linked together by:

Topic: NEET PYQ

Answer: D. Full step-by-step solution below.

  1. AHydrogen bonds
  2. BPhosphodiester bond
  3. CCovalent bond
  4. DDisulphide bridges

Correct answer: D

Solution

(d) The A and B polypeptide chains of insulin are linked together by two disulphide bridges (S—S bonds).

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