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Question: Answered & Verified by Expert
In the enzyme which catalyses the breakdown of: $\mathrm{H}_2 \mathrm{O}_2 \rightarrow \mathrm{H}_2 \mathrm{O}+\mathrm{O}_2$ the prosthetic group is :
BiologyBiomolecules (B)NEETNEET 2022 (Phase 2)
Options:
  • A Nicotinamide adenine dinucleotide
  • B Haem
  • C Zinc
  • D Niacin
Solution:
2005 Upvotes Verified Answer
The correct answer is: Haem
The enzyme which catalyse the breakdown of $\mathrm{H}_2 \mathrm{O}_2$ as :
$\mathrm{H}_2 \mathrm{O}_2 \longrightarrow \mathrm{H}_2 \mathrm{O}+\mathrm{O}_2$
is called Catalase which have prosthetic group Haem. This enzyme is activated by iron. The breakdown occurs inside peroxisome during photorespiration.

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