A cell with a predominance of rough endoplasmic reticulum is most likely involved in which of the following processes?
A) producing large quantities of proteins for secretion
B) producing large quantities of proteins in the cytosol
C) producing large quantities of carbohydrates to assemble an extensive cell wall matrix
D) producing large quantities of carbohydrates for storage in the vacuole

Question

Quizplus · Accepted Answer

The rough endoplasmic reticulum (RER) is studded with ribosomes, which are sites of protein synthesis. Cells with a predominance of RER are typically involved in producing large quantities of proteins for secretion outside the cell.

A Cell with a Predominance of Rough Endoplasmic Reticulum Is