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STD 12 - 10. biotechnology and its application — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 10. biotechnology and its application4 Marks
MCQ
The two polypeptides of human insulin are linked together by
  • A
    covalent bond
  • ✓
    disulphide bridges
  • C
    hydrogen bonds
  • D
    phosphodiester bond.
✓

Answer

Correct option: B.
disulphide bridges
b
(b) : Human insulin is made up of $51$ amino acids arranged in two polypeptide chains. Chain $A$ has $21$ amino acids and chain $B$ has $30$ amino acids. The two polypeptide chains are interconnected by disulphide bridges or S­S­linkages.

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