The endoplasmic reticulum (ER) is a dynamic organelle that regulates intracellular calcium stages and is answerable for many mobile features inclusive of protein and lipid synthesis.
The endoplasmic reticulum is the transport system of eukaryotic cells, but it also performs many other important functions such as protein folding. It includes two subsets: Rough endoplasmic reticulum and smooth endoplasmic reticulum.
The endoplasmic reticulum forms an interconnected network of flattened vesicles surrounded by membranes called cisterns and tubular structures in most eukaryotic cells. The ER membrane is connected to the outer nuclear membrane. Red blood cells and sperm do not contain endoplasmic reticulum. The endoplasmic reticulum performs several common functions, including folding protein molecules into vesicles called reservoirs and transporting the synthesized proteins to the Golgi apparatus in vesicles. The rough endoplasmic reticulum is also responsible for protein synthesis.
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