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: Pharmacology
[{'content': 'A receptor which itself has enzymatic propey is \nSelect and explain. \nA. Insulin receptor, B. Progesterone receptor, C. Thyroxine receptor, D. Glucagonreceptor', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Enzymatic propey is seen with insulin receptorRef: KDT 6/e pg 43.', 'role': 'assistant'}]