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- The endoplasmic reticulum (ER) is a large organelle made of membranous sheets and tubules that begin near the nucleus and extend across the cell. The endoplasmic reticulum creates, packages, and secretes many of the products created by a cell. Ribosomes, which create proteins, line a portion of the endoplasmic reticulum.
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May 29, 2023 · The endoplasmic reticulum is located in the cytoplasm of a eukaryotic cell. Oftentimes, it is found near the nucleus. However, the ER may extend to various parts of the cell and establish contact sites with other organelles and the plasma membrane.
Jan 15, 2021 · The endoplasmic reticulum (ER) is a large organelle made of membranous sheets and tubules that begin near the nucleus and extend across the cell. The endoplasmic reticulum creates, packages, and secretes many of the products created by a cell.
- Gabe Buckley
6 days ago · endoplasmic reticulum (ER), in biology, a continuous membrane system that forms a series of flattened sacs within the cytoplasm of eukaryotic cells and serves multiple functions, being important particularly in the synthesis, folding, modification, and transport of proteins.
- Kara Rogers
- The endoplasmic reticulum (ER) is a continuous membrane system that forms a series of flattened sacs within the cytoplasm of eukaryotic cells.All e...
- The ER can be classified in two functionally distinct forms: smooth endoplasmic reticulum (SER) and rough endoplasmic reticulum (RER). The morpholo...
- The endoplasmic reticulum (ER) serves important functions particularly in the synthesis, folding, modification, and transport of proteins. Differen...
- The ER was first noted in the late 19th century, when studies of stained cells indicated the presence of some type of extensive cytoplasmic structu...
The endoplasmic reticulum is the cell organelle that originates from the cell’s nuclear envelope, synthesizes protein, and transports the proteins for cellular metabolism. Depending on the cell, the endoplasmic reticulum can occupy 50% of the cell volume.
Oct 29, 2021 · The endoplasmic reticulum (ER) is a tubular branched cell organelle in the cytoplasm of the Eukaryotic cell that divides the cytoplasm into several compartments. They are extended from the nuclear membrane to the plasma membrane. Porter (1945) has observed the endoplasmic reticulum in electron micrographs of liver cells.
Apr 1, 2023 · Structure of Endoplasmic Reticulum (ER) The membrane of the endoplasmic reticulum is 50 to 60 Aº thickness and fluid-mosaic like the unit membrane of the plasma membrane. The membranes of the endoplasmic reticulum are found to contain many kinds of enzymes that are needed for various important synthetic activities.
Jun 2, 2023 · Smooth endoplasmic reticulum (sER) is part of or a region in the endoplasmic reticulum that is characterized by having a tube-like structure and generally lacking in ribosomes.
