Biology / Bio 0301 · Atom · ~20 seconds
Intermediate Filaments
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Intermediate filaments are cytoskeletal fibers, wound from several strands of fibrous protein, that bear tension and anchor the nucleus and other organelles in place.
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The wool fiber in a sweater and the keratin in a fingernail are built from the same intermediate filament protein studied here.
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Unlike microfilaments, intermediate filaments play no role in cell movement; their function is purely structural support.