Assertion A: Oligosaccharides with unique structures are components of a variety of glycoproteins and glycolipids on the outer surface of plasma membranes. Reason R: The influenza virus infects animal cells by binding to the cell surface glycoproteins as the first step of infection. In the light of the above statements, choose the correct answer from the options given below:
1
Both A and R are true and R is the correct explanation of A
2
Both A and R are true but R is NOT the correct explanation of A
3
A is true but R is false
4
A is false but R is true