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
[{'content': 'Free radical scavenzer is \nSelect and explain. \nA. Peroxidase, B. Catalase, C. Dehydrogenase, D. All of the above', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Catalase Antioxidant enzymes are catalase, superoxide desmutase and glutathione peroxidase.These enzyme together act as free radical scavenzing system.", 'role': 'assistant'}]