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: Microbiology
[{'content': 'Mercury will affect which pa of the renal tubule? \nSelect and explain. \nA. Loop of Henle, B. DCT, C. CT, D. PCT', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Proximal convoluted tubular necrosis is characteristic of mercuric nephrotoxicity.', 'role': 'assistant'}]