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 not an oxidoreductase - \nSelect and explain. \nA. Catalase, B. Glucokinase, C. Alcohol dehydrogenase, D. Peroxidase', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Glucokinase Oxidoreductases are oxidases, dehydrogenases, hydroperoxidases (Catalase, peroxidase), oxygenases.Glucokinase is a transferase.", 'role': 'assistant'}]