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: Physiology
[{'content': 'α - intercalated cells are present in _________ helps in __________ \nSelect and explain. \nA. Distal convoluted tubule, HCO3– secretion, B. Distal convoluted tubule, H+ secretion, C. Collecting duct, H+ secretion, D. Collecting duct, HCO3– secretion', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Intercalated cells are present in Collecting duct\nI cells are of 2 types.\n\nAlpha : acid secretion\nBeta :\xa0HCO3 secretion', 'role': 'assistant'}]