Location: -
They are present between cell membrane and nucleus.
Shape: -
They are tube like structures
Types: -
They are of two types: -
i) smooth Endoplasmic Reticulum: -
They do not have ribosomes. They do not involve in protein synthesis.
ii) Rough Endoplasmic Reticulum: -
They have ribosomes. They involve in protein synthesis.
Function: -
i) They help in transport of materials.
ii) They help in protein synthesis.
iii) They help in formation of lipids.