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
All have antioxidant propey except ? 
Select and explain. 
A. Catalase, B. Glutathione peroxidase, C. Phosphorylase, D. Superoxide dismutase
C: Phosphorylase
Answer: C: Phosphorylase 
Explanation: Ans. is 'c' i.e., Phosphorylase There are two types of antioxidant systems :? 1. Enzymatic antioxidant system This include Catalase Superoxide dismutase (SOD) Glutathione peroxidase 2. Non-enzymatic antioxidant system This is fuher subdivided into Vitamins : Vitamin E, Vitamin A & beta carotene, Vitamin C. Minerals : Selenium, Copper, Zinc, Manganese Tissue proteins : Transferrin, ferritin, lactoferrin, ceruloplasmin Amino acids : Glutathione, Cysteine