What is the full form of RER and SER?

RER:

1. The full form of RER is the Rough Endoplasmic Reticulum.
2. Ribosomes are connected to the membrane of this organelle.
3. Its rough look is due to the presence of ribosomes on its surface.

SER:

1. The full form of SER is the Smooth Endoplasmic Reticulum.
2. Ribosomes are not found on their membrane.
3. The ER appears smooth due to the lack of ribosomes.