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': 'Compounds with a large amount of carbohydrate & small amount of protein - \nSelect and explain. \nA. Glycoprotein, B. Glycosaminoglycan, C. Proteoglycan, D. Glycocalyx', 'role': 'user'}, {'content': 'Answer: C \nExplanation: A large amount of carbohydrate small amount of protein → Proteoglycans.\nA large amount of protein small amount of carbohydrate → Glycoproteins.', 'role': 'assistant'}]