Which of these statements is correct for the rough endoplasmic reticulum?
A)It does not contain ribosomes.
B)It synthesizes proteins for export from the cell or for use in construction of a new cellular membrane.
C) It is abundant in cells that specialize in lipid metabolism.
D) It is abundant in liver cells.

Question

Quizplus · Accepted Answer

The rough endoplasmic reticulum (RER) is studded with ribosomes, which are responsible for protein synthesis. These proteins are often destined for export out of the cell or for incorporation into cellular membranes.

Which of These Statements Is Correct for the Rough Endoplasmic