COMEDK · Chemistry · 30. Biomolecules
The number of disulphide linkages present in insulin are
- A 1
- B 2
- C 3
- D 4
Answer & Solution
Correct Answer
(C) 3
Step-by-step Solution
Detailed explanation
The number of disulphide linkages present in insulin are three. Two linkages are between two polypeptide chains containing 21 and 30 amino acid residues. In addition, the smaller polypeptide chain (21 amino acids) has also an internal disulphide linkage.
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