Friday 24 February 2012

BIO 12 Cell Organelle Review








1. Nucleolus: RNA synthesis, assembles ribosomes
2. Nucleus: Contains chromosomes, control centre of cell (brain)
3. Ribosome: Protein synthesis, often bound to ER, workbenches
4. Vesicle: Liquid filled, membrane-bound sac, may contain substances such as proteins and lipids, "taxis", transports material around and out of cell
5. Rough Endoplasmic Reticulum: Ribosomes attached to surface, tubules, site of Protein Synthesis
6. Golgi Body: Stacks of flattened vesicles, packages, sorts, secretes proteins
7. Cytoskeleton: Network of protein filaments, provides structure/framework and movement for cell
8. Smooth Endoplasmic Reticulum: No ribosomes attached to surface, tubules, extends from nuclear membrane, packages proteins for transport, detoxifies drugs, large surface area, synthesizes lipids, triglycerides, steroids
9. Mitochondria: Double membrane, metabolism, ATP energy provider, CELLULAR RESPIRATION, "Power plants."
10. Vacuole: Storage, membrane bound sacs, stores dissolved foods and waste, stores water, ions, etc., larger in Plant cell
11. Cytoplasm/cytosol: Material inside cell surrounding/binding organelles (liquid which holds organelles in place)
12. Lysosome: Specialized vesicles from the Golgi body that help with digestion, aid in cell death,digestive enzymes
13. Centrioles: Groups/bundles of microtubles, helps chromosomes separate during cell division

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