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Rough endoplasmic reticulum and Golgi apparatus

How do rough endoplasmic reticulum and Golgi apparatus act in the production and liberation of proteins?

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The rough endoplasmic reticulum has its external membrane numerous ribosomes, structures where translation of messenger RNA and protein synthesis occur. Such proteins are stored in the rough endoplasmic reticulum and afterward they go to the Golgi apparatus. In the Golgi apparatus proteins are chemically converted and whenever ready they are put within vesicles which separate from the organelle. Such vesicles fuse with the plasma membrane (or exocytosis) in the right place and its content is discharged exterior the cell.

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