MCQ on Glycoprotein: Structure and Functions




Glycoproteins are proteins with attached carbohydrates (sugars). They play crucial roles in cell signaling, immunity, and structure. These molecules are involved in various biological functions, acting as receptors, enzymes, or structural components in cells and tissues. This is an MCQ on Glycoprotein Structure, Examples and Functions.

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1. 
What are glycoproteins?

2. 
Which of the following is NOT a primary function of glycoproteins?

3. 
Hemagglutinin and neuraminidase, found on the surface of the influenza virus, are examples of glycoproteins involved in:

4. 
The blood group antigens (A, B, and O) on red blood cells are determined by the presence or absence of specific carbohydrate moieties on glycoproteins. What type of glycoproteins are involved?

5. 
What is the primary role of glycoproteins in the extracellular matrix (ECM) of tissues?

6. 
Which of the following is NOT a type of carbohydrate commonly found in glycoproteins?

7. 
Lectins are proteins that can specifically bind to carbohydrates on glycoproteins. What is the main function of lectins in this context?

8. 
Which of the following terms refers to the process of attaching carbohydrates to proteins to form glycoproteins?

9. 
What is the significance of the "N-linked" or "O-linked" classification of glycosylation in glycoproteins?

10. 
Which glycoprotein is an important component of mucus and plays a role in protecting and lubricating mucosal surfaces?

11. 
What is the primary role of glycoproteins in the immune system, such as antibodies (immunoglobulins)?

12. 
Which glycoprotein is responsible for transporting oxygen in red blood cells?

13. 
In the context of glycoproteins, what is the significance of the carbohydrate "shield" on the surface of some viruses?

14. 
Glycoproteins are commonly found on the cell surface. What is the function of glycoproteins in this location?

15. 
What type of bond connects carbohydrates to proteins in glycoproteins?

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mcq on glycoprotein






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