This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Structure & Function of Proteins), Subject name: Biochemistry
[{'content': 'Which collagen produces sheets - \nSelect and explain. \nA. I, B. II, C. IV, D. VI', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., IV Various structure produced by collagensFibrilsSheetsBeaded filamentsAnchoring fibrilsCollagen ICollagen IVCollagen VICollagen VIICollagen 11Collagen VIII Collagen IIICollagen X Collagen V Collagen XI", 'role': 'assistant'}]