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What is the main function of the endoplasmic reticulum?

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The Function of Endoplasmic Reticulum. The endoplasmic reticulum (ER) is an organelle found in the cells of eukaryotic organisms. It is an interconnected network of flattened sacs or tubes encased in membranes. These membranes are continuous, joining with the outer membrane of the nuclear membrane. read more

The endoplasmic reticulum is one of the largest organelles in most cells and also plays a large role in maintaining the cell's shape. Two primary parts make up the endoplasmic reticulum: a cytoskeleton and numerous sac-like features called cisternae. read more

The electron microscope reveals an extensive membrane system in the cytoplasm called Endoplasmic reticulum (ER). It was first reported by Porter in 1945. This continuous membrane system joins the nuclear membrane on one end and the cell membrane on the other. read more

The presence of these ribosomes on the outer layer of the RER distinguishes it from smooth endoplasmic reticulum, which is known as the SER. In addition to producing proteins, the RER plays an essential role in many other functions. read more

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