This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: membrane structure and function, Subject name: Biochemistry
[{'content': 'Type of collagen forming basement membrane of kidney \nSelect and explain. \nA. I, B. II, C. III, D. IV', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Type IV collagen is abnormal, so basement membrane of kidney glomerular apparatus is abnormal. Hence, hematuria is seen, which will eventually progress to kidney failure.Ref: DM Vasudevan, page no: 583', 'role': 'assistant'}]