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Difference between Rough Endoplasmic Reticulum (RER) and Smooth Endoplasmic Reticulum (SER)

Rough Endoplasmic Reticulum (RER)

Smooth Endoplasmic Reticulum (SER)

1. Membrane covered with Ribosomes

1. Membrane not covered with Ribosomes

2. Found in cells which actively synthesize proteins. Eg., Enzyme cells

2. Found in cells which are involved in the synthesis of non protein molecules. Eg.) Steroids, phospholipids

3. Involved in protein synthesis

3. Involved in other functions

4. More stable

4. Less stable

5. Found in Pancreatic Exocrine cells

5. Found in Epithelial cells, Intestinal cells, Sarcoplasmic Reticulum

 

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