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': 'Alkaline phosphatase contains ? \nSelect and explain. \nA. Cobalt, B. Zinc, C. Iron, D. Copper', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is `b' i.e., Zinc Zinc containing enzymes are carboxypeptidase, carbonic anhydrase, alkaline phosphatase, lactate dehydrogenase, alcohol dehydrogenase, glutamate dehydrogenase, RNA polymerase and superoxide dismutase.", 'role': 'assistant'}]