This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Carbonic anhydrase is an enzyme that occurs in plants, bacteria, and animals and is involved in the formation of which chemical? \nSelect and explain. \nA. Carbon dioxide from carbon and oxygen, B. Carbonic acid from carbon dioxide and water, C. Bicarbonate ion from carbonic acid, D. Hydrochloric acid', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Carbonic anhydrase catalyzes the formation of carbonic acid from carbon dioxide and water. It is not involved in the formation of carbon dioxide from carbon and oxygen, bicarbonate ion from carbonic acid, hydrochloric acid, or hypochlorous acid.', 'role': 'assistant'}]