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प्रश्न
Which one of the following enzymes contains ‘Haem’ as the prosthetic group?
विकल्प
RuBisCo
Carbonic anhydrase
Succinate dehydrogenase
Catalase
MCQ
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उत्तर
Catalase
Explanation:
The enzyme catalase is essential for preventing oxidative damage to cells because it converts hydrogen peroxide into oxygen and water. Its action depends on the prosthetic group “Haem,” which is an iron-porphyrin complex.
Other enzymes:
- RuBisCO: No haem, it binds CO2 in the Calvin cycle.
- Carbonic anhydrase: Contains zinc, not haem.
- Succinate dehydrogenase: Uses FAD and ironsulfur clusters, not haem.
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