Ans-1- tunicamysin is inhibitor of glycosylation that block the first step of glycosylation. Option C is correct.
Ans-2- all the protein targeted to lysosome has mannose-6-phosphate.
So option C is correct.
Ans-3- glycosylation attaches mannose residue on proteins which phosphorylated to make mannose-6-phosphate, the signal for lysosomal protein. So if we block glycosylation the protein will not enter in lysosome.
Option A is correct.
Ans-4- option D is correct
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