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: Biochemistry
[{'content': 'Mucopolysaccharide/proteoglycans present in eye are? \nSelect and explain. \nA. Keratan sulfate & dermatan sulfate, B. Dermaton sulfate & heparan sulfate, C. Dermaton sulfate & chondroitin sulfate, D. Keratan sulfate and chondroitin sulfate', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Keratan sulfate and chondroitin sulfateKeratan sulfate and chondroitin sulfate are present in cornea. Hyaluronic acid is present in vitreous humor.Keratan Sulphate is the only proteoglycan that does not contain acid sugar in disaccharide repeat unit. Instead it contains D-galactose (simple sugar) in place of acid sugar.", 'role': 'assistant'}]