Which Structure Has Ribosomes Attached to It and Helps Transport

Question

Which structure has ribosomes attached to it and helps transport proteins throughout the cell?
A) rough endoplasmic reticulum
B) smooth endoplasmic reticulum
C) Golgi apparatus
D) mitochondria

Accepted Answer

Rough endoplasmic reticulum has ribosomes attached to its surface, which synthesize proteins that are transported within the endoplasmic reticulum and eventually to other parts of the cell through vesicles.