Q21 / 120 · NEET 2012 (Mains) · Botany

For its activity, carboxypeptidase requires

  • Correct answer
    A
    zinc
  • B
    iron
  • C
    niacin
  • D
    copper

Solution

Carboxypeptidase is synthesized and secreted by the exocrine cells of pancreas. $\mathrm{Zn}^{2+}$ is required for the activity of carboxypeptidase, carbonic anhydrase and alcohol dehydrogenase.

Hence, the correct answer is option: 'A'.

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