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
Which of the following is not true in relation to glycoproteins: 
Select and explain. 
A. Are proteins to which oligosaccharide are covalently attached, B. The carbohydrate units of glycoprotein have several repeats, C. Carbohydrate content is same but proteins are different, D. All
C: Carbohydrate content is same but proteins are different
Answer: C: Carbohydrate content is same but proteins are different 
Explanation: C i.e. Carbohydrate content is same but proteins are different