Question

where in the cell is the rough endoplasmic reticulum located?
a outside of the cell
b directly outside the nuclear envelope
c everywhere in the cytoplasm
d near the cell membrane

Explanation:

The rough endoplasmic reticulum is contiguous with the outer - nuclear membrane and is located directly outside the nuclear envelope. It is studded with ribosomes and plays a role in protein synthesis.

Answer:

B. directly outside the nuclear envelope