The cellThe cell’’s internal skeleton helps s internal skeleton helps organize its structure and activities organize its structure and activities •Eukaryotic cells contain a meshwork of protein fibersprotein fibers, collectively called the cytoskeletoncytoskeleton,extending throughout the cytoplasm of a cell.•These fibers:– provide structural supportstructural support(a skeleton) and are involved in various types of cell movementcell movement; and–regulate cellular activitiesregulate cellular activitiesby mechanicallytransmitting signalstransmitting signalsfrom the cell’s surface to its interior. Discovery video clip Chapter 4: Cells
THREE main kinds of fibers make up the THREE main kinds of fibers make up the cytoskeletoncytoskeleton
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