Which of the following statements about the rough endoplasmic reticulum is false?
A) It consists of stacked envelopes called cisternae.
B) It makes the digestive enzymes contained in the lysosomes.
C) It stores lipids as inclusions.
D) It makes the integral proteins of the cell membrane.
E) It contains ribosomes on the external face of its membranes.

Question

Quizplus · Accepted Answer

The rough endoplasmic reticulum (RER) is primarily involved in the synthesis of proteins (including integral membrane proteins) and not in storing lipids as inclusions. Lipid storage typically occurs in specialized structures like lipid droplets, not in the RER.

Which of the Following Statements About the Rough Endoplasmic Reticulum