This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Structure & Function of Protein, Subject name: Biochemistry
[{'content': 'Collagen in basement membrane - \nSelect and explain. \nA. Type I, B. Type II, C. Type III, D. Type IV', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Type IV Collegen type Tissue distributionI-Ubiquitous in hard & soft tissuesII&1X-Cartilage, intervertebral disc, vitreousIII-Hollow organs & soft tissuesIV-Basement membraneV-Blood vesselsVI-Ubiquitous in microfibrilsVII-Dermoepidemal j unctionIX-Cartilage & Vitro us", 'role': 'assistant'}]