Moderate
Free radicals can be inactivated by the following enzymes EXCEPT__________________?
Correct answer: D. Myeloperoxidase
- A. Glutathione peroxidase
- B. Catalase
- C. Superoxide dismutase
- D. Myeloperoxidase
Explanation
Superoxide dismutase, catalase and glutathione peroxidase detoxify reactive oxygen species. Myeloperoxidase instead uses hydrogen peroxide to generate hypochlorous acid for microbial killing, so it is the exception.
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