Golgi Apparatus - Golgi Apparatus- Consists of 4-8...

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Unformatted text preview: Golgi Apparatus- Consists of 4-8 flattened menbranous sacs stacked one upon the other. Located near the nucleus. Principal traffic director for cellular proteins. Major function is to modify, concentrate, and package proteins for export. Protein-containing vesicles pinch off from the Golgi and migrate to the plasma membrane and discharge their contents from the cell by exocytosis. Secretory cells have prominent Golgi apparatus. Lysosomes- Membranous sacs containing hydrolytic enzymes. Provide sites where digestion can proceed safely within the cell. Large and abundant in phagocytes. Function to digest ingested particles, worn-out nonfunctional organelles, non-useful tissues. The breakdown of bone to release calcium ions also reflects lysosomal activity. Cvtoskeletal Elements- An elaborate network of protein structures called microfilaments, microtubules, and intermediate filaments are located through out the cytoplasm. Cytoskeleton acts as the cells "bones and muscles" helping to support intercellular structures and generate...
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This note was uploaded on 11/22/2011 for the course BSC BSC1085 taught by Professor Sharonsimpson during the Fall '10 term at Broward College.

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