This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Free radicals can be inactivated by the following enzymes EXCEPT 
Select and explain. 
A. Glutathione peroxidase, B. Catalase, C. Superoxide dismutase, D. Myeloperoxidase
D: Myeloperoxidase
Answer: D: Myeloperoxidase 
Explanation: None