KROK 1 Stomatology 2015 – Question 34 · KROK (Dentistry)

In the process of metabolism human body produces active oxygen forms, including superoxide anion radical O₂⁻. This anion is inactivated by the following enzyme:

  1. A. Glutathione reductase
  2. B. Peroxidase
  3. C. Glutathione peroxidase
  4. D. Superoxide dismutase
  5. E. Catalase
Hint

Separate the enzymes that act on the superoxide radical itself from those that remove hydrogen peroxide and lipid peroxides at a later step.

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