Question

State three main differences between the smooth and rough endoplasmic reticulum.

Answer 1

RER:

1. It possesses ribosomes attached to its membrane.
2. Formed of cisternae and a few tubules.
3. It participates in the synthesis of enzymes and proteins.
4. It is internal and connected with the nuclear envelope.

SER:

1. It does not have ribosomes on its membrane.
2. Formed of vesicles and tubules.
3. Synthesises glycogen, lipids and steroids.
4. It is present on the peripheral surface.