This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal physiology, Subject name: Physiology
[{'content': 'PCT has which type of Aquaporin tubules \nSelect and explain. \nA. Aquaporin 1, B. Aquaporin 2, C. Aquaporin 5, D. Aquaporin 9', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Water is reabsorbed in PCT by Aquaporin 1 water channels (independent of ADH) Ref: Ganong 25th ed/page 680', 'role': 'assistant'}]