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Rough Endoplasmic Reticulum

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Grace Moore

on 11 November 2013

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Transcript of Rough Endoplasmic Reticulum

The rough endoplasmic reticulum is located around the nucleus in the cells of both plants and animals. It manufactures and transports proteins and lipids throughout the cell.
Absolutely Necessary Function
The function of Rough endoplasmic reticulum is to make proteins and transport many biochemical compounds in a cell.
The RER is made up of a system of tubules (small tubes), vesicles (air filled cavities), and cisternae (cavities filled with fluid)
On the surface it has ribosomes which make it appear rough hence its name.
You Can't Live Without It
The rough endoplasmic reticulum performs many functions in a cell, but most notably aiding in the production, folding, and transport of proteins. Without the RER, a cell would not be able to produce the proteins necessary for basic functions, and would quickly die.
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They are very important in the making and packaging of proteins.
Ribosomes are attached to the membrane of the ER.
As the ribosome builds the amino acid chain, the chain is pushed into the ER.
When the protein is complete, the rough ER pinches off a vesicle.
That vesicle, a small membrane bubble, can move to the cell membrane or the Golgi apparatus.
Because you'd die.
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