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': '1, 25 dihydrocholecalciferol acts on ? \nSelect and explain. \nA. Surface receptors, B. Cytosolic receptors, C. Intranuclear receptors, D. None of the above', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Intranuclear receptors", 'role': 'assistant'}]