Question: what is the difference between ribosomes and rough endoplasmic reticulum?
Answer: Those floating ribosomes make proteins that will be used inside of the cell. Other ribosomes are found on the endoplasmic reticulum. Endoplasmic reticulum with attached ribosomes is called rough ER. ... The attached ribosomes make proteins that will be used inside the cell and proteins made for export out of the cell.