Explain rough and smooth endoplasmic reticulum
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Answer:
The rough ER, studded with millions of membrane bound ribosomes, is involved with the production, folding, quality control and despatch of some proteins. Smooth ER is largely associated with lipid (fat) manufacture and metabolism and steroid production hormone production. It also has a detoxification function.
The endoplasmic reticulum is a network of membranes that is present inside eukaryotic cells. These structures are responsible for the production and transportation of proteins, fats and other essential molecules required for the functioning of a cell.
Cells that play an important role in the production of proteins and oils have large amounts of ER. Structurally, there are two types of endoplasmic reticulum in a cell. They are:
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
The most basic difference between RER and SER is the presence of ribosomes. When ribosomes attach to the surface of an ER, it gives a characteristic rough appearance; hence it is called Rough ER. On the other hand, a smooth ER does not have ribosomes on its surface.