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Solution


Q.

Which of the following events does not occur in rough endoplasmic reticulum            [2018]
1 Protein folding  
2 Protein glycosylation  
3 Cleavage of signal peptide  
4 Phospholipid synthesis  

Ans.

(4)

Smooth endoplasmic reticulum is involved in the production of lipids and sterols. Complexing of lipids and proteins to form lipoproteins occurs in SER. RER is involved in protein folding, glycosylation of protein and cleavage of signal peptide.