Question

rough endoplasmic reticulum has ribosomes on the membrane and produces proteins for the cell.

Explanation:

The rough endoplasmic reticulum is an organelle in cells. Its membrane has ribosomes attached, which are responsible for protein - synthesis. Proteins produced here are used by the cell for various functions like structure, catalysis, and signaling.

Answer:

The rough endoplasmic reticulum has ribosomes on the membrane and produces proteins for the cell.