Concept 7 - Concept 7.6 The cytoskeleton is a network of...

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Unformatted text preview: Concept 7.6 The cytoskeleton is a network of fibers that organizes structures and activities in the cell The cytoskeleton is a network of fibers extending throughout the cytoplasm. The cytoskeleton organizes the structures and activities of the cell. The cytoskeleton provides support, motility, and regulation. The cytoskeleton provides mechanical support and maintains cell shape. The cytoskeleton provides anchorage for many organelles and cytosolic enzymes. The cytoskeleton is dynamic and can be dismantled in one part and reassembled in another to change the shape of the cell. The cytoskeleton also plays a major role in cell motility, including changes in cell location and limited movements of parts of the cell. The cytoskeleton interacts with motor proteins to produce motility. Cytoskeleton elements and motor proteins work together with plasma membrane molecules to move the whole cell along fibers outside the cell. Motor proteins bring about movements of cilia and flagella by gripping cytoskeletal components such as microtubules and moving them past each other....
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This note was uploaded on 01/04/2012 for the course BSC BSC1005 taught by Professor Orlando,rebecca during the Fall '10 term at Broward College.

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Concept 7 - Concept 7.6 The cytoskeleton is a network of...

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