Question

ribosomes are essential for making proteins. the rough er is rough because it is covered in ribosomes. what is an important role of the rough er? creating cytoplasm protein synthesis

Explanation:

The rough ER is covered in ribosomes, and ribosomes are essential for making proteins. So the rough ER's important role relates to protein synthesis. Creating cytoplasm is not a role of rough ER.

Answer:

Protein synthesis