Cytoskeleton
Cell skeleton
Microfilament
Made from actin filaments
Arrangement different in every cell
Used to brace the cell membrane, give it shape
Involved in motility of cell (along with myosin)
Microtubules
Made of tubulin.
Originate at the centrosome
Compose the cilia, flagella
Intermediate Filament
Tough insoluble protein fibers, and resist pulling forces exerted on the cell.