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Golgi apparatus

Name :- Golgi apparatus, Golgi body, Golgi complex, Post office of the cell, Shipping department of the cell (Camillo Golgi (1898) first discovered, hence the name is Golgi).

Properties :
  • It is an membrane bound organelle situated near the nucleus.
  • It is present in all cells except RBCs.
  • Usually, each cell has one Golgi apparatus.
  • Each Golgi apparatus consists of 5-8 flattened membranous sacs called cisternae (0.5-1.0 micrometer).
  • Golgi apparatus has two ends or faces, namely cis face (situated near the endoplasmic reticulum) and trans face (situated near the cell membrane).
Functions :
Major functions of Golgi apparatus are processing, packing, labeling and delivery of proteins and lipids to different part of the cell or outside of the cell.
  1. Processing :- glycoproteins and lipids are modified here.
  2. Packaging :- modified materials are packed in the form of secretory granules, secretory vesicles and lysosomes.
  3. Labeling and delivery :- Golgi apparatus sort out the processed materials and labels them (such as phosphate group) then distribute in or out side of the cell according to demand.

Golgi apparatus






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