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atp:adeno tri phosphate , er-endoplasmic reticulum,ser- smooth endoplasmic reticulum and rer-rough enfoplasmic reticulum it is called so becoz ribosomes r attached on its surface and in smooth ER there is no presence ribosomes
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atp:adeno tri phosphate , er-endoplasmic reticulum,ser- smooth endopla...
Endoplasmic Reticulum (ER):
The endoplasmic reticulum (ER) is a network of membranes found in eukaryotic cells. It is responsible for various important functions such as protein synthesis, lipid metabolism, and detoxification of drugs.
Rough Endoplasmic Reticulum (RER):
- The rough endoplasmic reticulum (RER) is so named because it is studded with ribosomes on its surface.
- These ribosomes are responsible for protein synthesis, as they translate mRNA into proteins that are then transported into the ER lumen for further processing and modification.
- The RER plays a crucial role in the production of membrane proteins and secretory proteins.
Smooth Endoplasmic Reticulum (SER):
- The smooth endoplasmic reticulum (SER) lacks ribosomes on its surface, hence the name "smooth."
- It is involved in lipid metabolism, including the synthesis of lipids, phospholipids, and steroids.
- The SER also plays a role in detoxification processes, where it helps in the breakdown of harmful substances such as drugs and toxins.
In conclusion, the presence or absence of ribosomes on the surface of the endoplasmic reticulum distinguishes between the rough and smooth ER. While the rough ER is involved in protein synthesis, the smooth ER is involved in lipid metabolism and detoxification processes. Both types of ER are essential for the proper functioning of the cell.
The endoplasmic reticulum (ER) is a network of membranes found in eukaryotic cells. It is responsible for various important functions such as protein synthesis, lipid metabolism, and detoxification of drugs.
Rough Endoplasmic Reticulum (RER):
- The rough endoplasmic reticulum (RER) is so named because it is studded with ribosomes on its surface.
- These ribosomes are responsible for protein synthesis, as they translate mRNA into proteins that are then transported into the ER lumen for further processing and modification.
- The RER plays a crucial role in the production of membrane proteins and secretory proteins.
Smooth Endoplasmic Reticulum (SER):
- The smooth endoplasmic reticulum (SER) lacks ribosomes on its surface, hence the name "smooth."
- It is involved in lipid metabolism, including the synthesis of lipids, phospholipids, and steroids.
- The SER also plays a role in detoxification processes, where it helps in the breakdown of harmful substances such as drugs and toxins.
In conclusion, the presence or absence of ribosomes on the surface of the endoplasmic reticulum distinguishes between the rough and smooth ER. While the rough ER is involved in protein synthesis, the smooth ER is involved in lipid metabolism and detoxification processes. Both types of ER are essential for the proper functioning of the cell.
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atp:adeno tri phosphate , er-endoplasmic reticulum,ser- smooth endoplasmic reticulum and rer-rough enfoplasmic reticulum it is called so becoz ribosomes r attached on its surface and in smooth ER there is no presence ribosomes
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