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: Pharmacology
[{'content': 'Pentostatin acts by inhibiting - \nSelect and explain. \nA. RNA dependent DNA polymerase enzyme, B. Aldolase enzyme, C. Adenosine deaminase enzyme, D. Adenyl cyclase enzyme', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Adenosine deaminase enzyme o Pentostatin inhibit adenosine deaminase (ADA)", 'role': 'assistant'}]