The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Enzymes, which play an important role in calcification, are:   (A) Enolase and Calcitonin   (B) Alkaline phosphatase and catalase   (C) Alkaline phosphatase and pyrophosphatase   (D) Pyrophosphatase and carbonic anhydrase
['(C) Alkaline phosphatase and pyrophosphatase <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Enolase and Calcitonin \n (B) Alkaline phosphatase and catalase \n (C) Alkaline phosphatase and pyrophosphatase \n (D) Pyrophosphatase and carbonic anhydrase <> possible answers', '  Enzymes, which play an important role in calcification, are: <> context@']