Shote note of golgi complex
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THE GOLGI APPARATUS (ALSO GOLGI BODY OR THE GOLGI COMPLEX) IS AN ORGANELLE FOUND IN MOST EUKARYOTIC CELLS.IT WAS IDENTIFIED IN 1897 BY THE ITALIAN PHYSICIAN CAMILLO GOLGI .AFTER WHOM THE GOLGI APPARATUS IS NAMED.
THE GOLGI APPARATUS PROCESSES AND PACKAGES MACROMOLECULES,SUCH AS PROTEINS AND LIPIDS ,AFTER THEIR SYNTHESIS AND BEFORE THEY MAKE THEIR WAY TO THEIR DESTINATION ;IT IS PARTICULARLY IMPORTANT IN THE PROCESSING OF PROTEINS FOR SECRETION.THE GOLGI APPARATUS FORMS A PART OF THE CELLULAR ENDOMEMBRANE SYSTEM.
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Golgi apparatus, also called Golgi complex or Golgi body, 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 is responsible for transporting, modifying, and packaging proteins and lipids into vesicles for delivery to targeted destinations. It is located 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.
In general, the Golgi apparatus is made up of approximately four to eight cisternae, although in some single-celled organisms it may consist of as many as 60 cisternae. The cisternae are held together by matrix proteins, and the whole of the Golgi apparatus is supported by cytoplasmic microtubules. The apparatus has three primary compartments, known generally as “cis” (cisternae nearest the endoplasmic reticulum), “medial” (central layers of cisternae), and “trans” (cisternae farthest from the endoplasmic reticulum). Two networks, the cis Golgi network and the trans Golgi network, which are made up of the outermost cisternae at the cis and trans faces, are responsible for the essential task of sorting proteins and lipids that are received (at the cis face) or released (at the trans face) by the organelle.
