Question

differ between RER and SER

Answer 1

Both the smooth and rough endoplasmic reticulum help in the production and storage of proteins The main difference is that one contains ribosomes on it and the other does not. The rough endoplasmic reticulum (RER) has ribosomes on its surface. ... The smooth endoplasmic reticulum (SER) does not contain ribosomes

Answer 2

Heyaa !!
RER refers to Rough Endoplasmic Reticulum.
SER refers to Soft Endoplasmic Reticulum.
The main difference is that one contains ribosomes on it and the other does not.
Hope it helps u ☺