Question

what is the function of Endoplasmic reticulum ? write the difference between SER (smooth Endoplasmic reticulum) RER ( rough Endoplasmic reticulum)​

Answer 1

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Explanation:

The main difference lies between the SER and RER is the presence of ribosomes, as SER do not have ribosomes but RER have ribosomes. SER mainly produce and export lipids and protein and function for detoxification, while RER produces, secrete and export proteins and few hormones

Answer 2

Answer:

Functions of Rough Endoplasmic Reticulum (RER)  

• It contains ribophorins for providing attachment to ribosomes.

• It bears enzymes in the region of pores for modifying polypeptides synthesised by attached ribosomes, e.g., glycosylation.  

• It synthesises serum proteins, membrane proteins and a number of other proteins.

• Proteins and enzymes synthesised by ribosomes enter the channels of RER both for intracellular use as well as secretion.

It provides enzymes precursors for the formation of lysosomes by Golgi complex.

Functions of Smooth Endoplasmic Reticulum (SER)  

• It is responsible for synthesis of fats inside the cells of adipose tissue, formation of sphaerosomes, synthesis of glycogen as well as glycogenolysis in liver cells, synthesis of sterol, etc.

• It can develop from RER by discarding ribosomes.