Endomembrane system
Endomembrane system is a complex and dynamic network in the cell that partitions the cell into structural and functional components, or organelles. It includes the nuclear envelope, the endoplasmic reticulum, the Golgi apparatus, lysosomes, various kinds of vesicles, endosomes, and the cell membrane, and the spaces inside these organelles.
Function
The endomembrane system serves several major functions: protein synthesis, protein folding, transport of proteins, lipids, and other molecules within cells, metabolism and movement of lipids, and detoxification of metabolic products.
Components
Nuclear Envelope
The nuclear envelope is a double membrane that encloses the cell's nucleus. It serves to separate the genetic material from the rest of the cell.
Endoplasmic Reticulum
The endoplasmic reticulum (ER) is a type of organelle in the cells of eukaryotic organisms that forms an interconnected network of flattened, membrane-enclosed sacs or tubes known as cisternae.
Golgi Apparatus
The Golgi apparatus, also known as the Golgi complex, Golgi body, or simply the Golgi, is an organelle found in most eukaryotic cells.
Lysosomes
Lysosomes are membrane-bound organelles with roles in processes involved in degrading and recycling cellular waste, cellular signalling and energy metabolism.
Vesicles and Endosomes
Vesicles and endosomes are small, membrane-enclosed sacs that transport and store substances within a cell from one cell to another.
Cell Membrane
The cell membrane is a biological membrane that separates the interior of all cells from the outside environment.
See Also
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