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The smooth e.r. (endoplasmic reticulum) is located in the cytoplasm of eukaryotic cells. Like the rough e.r., the smooth e.r. is concerned with making proteins. Unlike the rough e.r., the smooth e.r has no ribosomes attached to it. Hope this helps. The whole article is on Wikipedia, in case this didn't help (see related link).

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Where are endoplasmic reticulum located?

The endoplasmic reticulum (ER) is located throughout the cell, with two main regions: the rough ER, which is studded with ribosomes and involved in protein synthesis, and the smooth ER, which is important for lipid synthesis and detoxification. The ER is a network of membranes that extends from the nucleus to the cell membrane in eukaryotic cells.


Which cell organelle produces new membrane for the cell?

The endoplasmic reticulum (ER) is the cell organelle responsible for producing new membrane for the cell. The rough ER has ribosomes attached to its surface, which helps in protein synthesis and membrane production.


Where is endoplasmic reticulum located in cell?

The endoplasmic reticulum (ER) is a network of membranes found in the cytoplasm of eukaryotic cells. It can be either rough ER, which has ribosomes attached, or smooth ER, which lacks ribosomes. Rough ER is involved in protein synthesis and processing, while smooth ER plays roles in lipid metabolism and detoxification.


What are smooth and rough endoplasmic reticulum?

Smooth endoplasmic reticulum (smooth ER) is involved in lipid and steroid hormone synthesis, as well as detoxification of drugs and toxins. Rough endoplasmic reticulum (rough ER) is studded with ribosomes that give it a 'rough' appearance under the microscope, and is involved in protein synthesis and trafficking.


How does smooth ER differ from rough ER?

Rough ER is studded with ribosomes and are involved in modifying proteins. Smooth ER has no ribosomes and is involved with making and modifying fats. Smooth ER lacks the ribosomes that cover the rough ER.