WebIt is more tubular than the rough endoplasmic reticulum, and is not necessarily continuous with the nuclear envelope. Every cell has a smooth endoplasmic reticulum, but the amount will vary with cell function. For example, the liver, which is responsible for most of the body’s detoxification, has a larger amount of smooth endoplasmic reticulum. Web4 Sep 2024 · Endoplasmic Reticulum. The endoplasmic reticulum (ER) (plural, reticuli) is a network of phospholipid membranes that form hollow tubes, flattened sheets, and round sacs. These flattened, hollow folds and sacs are called cisternae.The ER has two major functions: Transport: Molecules, such as proteins, can move from place to place inside …
5.6: Cell Organelles - Biology LibreTexts
Web27 Jan 2024 · The Smooth endoplasmic reticulum is made up of vesicles and tubules. The Smooth endoplasmic reticulum is more abundant near the plasma membrane and may be connected to the plasma membrane. In the metabolically active cells such as pancreatic cells and liver, it is present quite extensive. In the storage cells, it is present simply. Web31 Jul 2024 · The endoplasmic reticulum is an organelle, or a membrane-including structure inside a eukaryotic cell. Two types of endoplasmic reticulum exist: smooth ER and rough ER. Both types of endoplasmic reticulum function to process and transport newly synthesized proteins from ribosomes. michelle cohen hays county commissioner
Non-membranous organelles and membranous …
WebThere are several other functions of smooth ER which are different from rough ER. 3.1. Function. Morphological observations showed different functions of smooth ER in different cell types. Smooth ER stores calcium molecules and levels the calcium concentration [1,2]. Smooth ER works in lipid metabolism in meibomian glands (lubricant secretion ... Web13 Apr 2024 · The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which … Web7 Jan 2024 · The endoplasmic reticulum is the major site of synthesis in the cell. It is a system of flattened sacs (cisternae) that are continuous with the outer nuclear envelope. Its physiological function has a very close association with that of the Golgi apparatus and together, they form the secretory pathway of the cell.. The endoplasmic reticulum is … michelle cohen md nyc