Question

what gives the rough endoplasmic reticulum its characteristic appearance compared to the smooth endoplasmic reticulum?
a golgi apparatus
b lipids
c ribosomes
d calcium

Explanation:

The rough endoplasmic reticulum (RER) has a 'rough' appearance because of ribosomes attached to its surface. The smooth endoplasmic reticulum (SER) lacks these ribosomes. The Golgi apparatus is involved in modifying, sorting, and packaging proteins and lipids. Lipids are synthesized in the SER. Calcium is stored in the SER in muscle cells and is not related to the rough appearance of the RER.

Answer:

C. ribosomes