Golgi body diagram

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The Golgi apparatus is a structure that is made of several flaps and is essential in the survival of the body cells. It helps the cells to transport proteins and other macromolecules, and also plays a crucial role in the prevention of apoptosis, the destruction of the cells. Camilio Golgi is the person, who discovered this apparatus, and it is found in all eukaryotic cells i.e. cells that have a nucleus and other structures enclosed in a membrane. Sponsored link What is the structure of the Golgi apparatus? The structure of the Golgi apparatus is made of flaps of membranes which are also called, Cisternae. These flaps occur in a series of 5 or 8 flaps, and they perform the function of moving proteins using enzymes. Each protein is properly labeled through the addition of carbohydrates and phosphates to be taken to the appropriate parts of the cell. The Golgi is able to perform this function by using nucleotide sugars which it is given by the cytosol. It is unclear how the proteins and vesicles move through the Golgi apparatus, but many have come up with theories about that. The vesicular transport theory says that the Golgi apparatus has two ends, the cis, and trans ends, and macromolecules are passed on through membrane sections. Another theory, the Cisternal maturation model, says that the vesicle fuse together at the cis end, and the macromolecules are pushed along as the vesicles continue to fuse. What is the function of the Golgi apparatus? The goggle apparatus plays ...

The Golgi apparatus has multiple names such as Golgi complex or Golgi body. The name is given on the name of the scientist, who discovered the organelle, i.e. Camillo Golgi. It is found in all the eukaryotic cells, plants as well as animals. They are membrane-bound organelle present in the cytosol of the cell. Let us discuss more about Golgi complex. Golgi Apparatus Definition • The Golgi apparatus, also known as the Golgi body, Golgi complex, or simply Golgi, is a cellular organelle found in most eukaryotic cells. • The cell’s manufacturing and shipping centre is referred to as this. • Before protein molecules are delivered to their destination, Golgi is engaged in their packing. These organelles assist in the processing and packaging of macromolecules created by the cell, such as proteins and lipids, and so serve as the cell’s “post office.” • Camillo Golgi, an Italian scientist, developed the Golgi apparatus in 1898. Golgi Apparatus Diagram Golgi Apparatus Structure • The Golgi apparatus appears to be made up of stacks of flattened structures containing many vesicles harbouring secretory granules under the electron microscope. • In both plant and animal cells, the Golgi apparatus has a remarkably similar morphology. It is, however, exceedingly pleomorphic, appearing compact and restricted in some cell types and stretched out and reticular in others (net-like). • The Golgi apparatus, on the other hand, is typically seen as a complicated network of interconnected tubules,...

The Golgi apparatus is the central organelle mediating protein and lipid transport within the eukaryotic cell. Typically textbooks illustrate the Golgi as something resembling a stack of pita bread. However, this depiction does not adequately illustrate the dynamic nature of the Golgi compartments (called cisternae) or the variety of morphologies the Golgi manifests in different cell types. We can learn a lot by simply asking why these diverse structures even exist. Researchers do not yet fully understand how various Golgi morphologies affect its function. However, scientists are currently using the subtle variations in Golgi morphology among different cell types to ask how proteins move through the Golgi apparatus. The Golgi processes proteins made by the endoplasmic reticulum (ER) before sending them out to the cell. Proteins enter the Golgi on the side facing the ER ( cis side), and exit on the opposite side of the stack, facing the plasma membrane of the cell ( trans side). Proteins must make their way through the stack of intervening cisternae and along the way become modified and packaged for transport to various locations within the cell (Figure 1). The Golgi apparatus cisternae vary in number, shape, and organization in different cell types. The typical diagrammatic representation of three major cisternae (cis, medial, and trans) is actually a simplification. Sometimes additional regions are added to either side, called the cis Golgi network (CGN) and the trans Gol...

Endoplasmic Reticulum Definition 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. Endoplasmic Reticulum Overview The entire structure can account for a large proportion of the endomembrane system of the cell. For instance, in cells such as liver hepatocytes that are specialized for protein secretion and detoxification, the ER can account for more than 50% of the total lipid bilayer of the cell. Similarly, the ER membrane system is particularly prominent in pancreatic beta cells that secrete insulin, or within activated B-lymphocytes that produce antibodies. Endomembrane system diagram As seen in the image, the membranes of the endoplasmic reticulum are contiguous with the outer This organelle acts as an important regulator of cell function because it interacts closely with a number of other organelles. Products of the endoplasmic reticulum often travel to the Mammalian lung tissue This is a microscopic image of a section from mammalian lung tissue. The bottom right corner of the image shows the nucleus and the rest of the picture illustrates the extensive nature of the ER. Small dark circles are Endoplasmic Reticulum Function The ER plays a number of roles within the cell, from Cisternae, each of the sma...

The organelle, endoplasmic reticulum, which can be seen as present in almost all eukaryotic cells is an organelle that consists of two subunits – SER(smooth endoplasmic reticulum) and RER(rough endoplasmic reticulum). These organelles in rough endoplasmic reticulum form cisternae, a mesh of interconnected, flattened membrane-enclosed sacs, and SER exist as tubular structures. With an exterior nuclear membrane, endoplasmic membranes are continuous. However, these organelles are not present in spermatozoa or red Golgi apparatus was discovered by Camillo Golgi, in the year 1950. It is also called a Golgi Complex or Golgi body, the membrane-bound organelle of eukaryotic cells (cells with clearly defined nuclei) that is made up of a series of flattened, stacked pouches called cisternae. The Golgi apparatus functions to transport, modify, and pack proteins and lipids into vesicles for delivery to targeted destinations. It is placed in the cytoplasm next to the endoplasmic reticulum and near the cell nucleus. While many types of cells contain only one or several Golgi apparatus, plant cells can contain hundreds. The Function of Golgi Apparatus Golgi apparatus performs various important functions inside the cell like: (i) The main function of the Golgi apparatus is to carry out the processing of proteins generated in the endoplasmic reticulum. Golgi apparatus also transports protein to the different parts of the cell. (ii) The modification of cargo proteins is carried out by the G...

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