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 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: C i.e. Proteoglycan', 'role': 'assistant'}]