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': 'Which of the following is false about glutathione \nSelect and explain. \nA. It decrease free radicals, reduces oxidative stress, B. Helps in conjugation reactions, C. Cofactor of enzymes, D. Converts hemoglobin to methemoglobin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Glutatione suppress the formation of methemoglobin.\nRest others are functions of glutathione.\nIt is a important intracellular reducing substance.', 'role': 'assistant'}]