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The endomembrane system produces lipids and proteins and transport them to specific cellular compartments.
The endomembrane system consists of the following two compartments called endoplasmic reticulum and the Golgi apparatus.
The endoplasmic reticulum consists of two membranous tubular compartments, called the smooth endoplasmic reticulum and the rough endoplasmic reticulum, that are found near the nucleus of the cell.
The smooth endoplasmic reticulum can be recognized as the compartment without ribosomes and it is also the place where the cells complete the detoxification process, hence, the liver cells contain more smooth endoplasmic reticulum than the other organs.
The rough endoplasmic reticulum can be recognized as the compartment that contains ribosomes and it is the place where the process of synthesis of proteins occurs . These proteins are transported to particular cellular compartments.
The Golgi apparatus is involved in the process of formation of new lysosomes, in transport of lipids and, most of all, in sendiing the synthesized proteins within the cell or out of the cell, through exocytosis process.
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The endomembrane system consists of the nuclear envelope, the endoplasmic reticulum, the Golgi apparatus, and several vesicles. This system compartmentalizes the cell so that particular enzymatic reactions are restricted to specific regions.
The endomembrane system allows macromolecules to diffuse or be transferred from one of the components of the system to another:)
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