Respuesta :
Answer is B.
The main components of the cellular cytoskeleton include microfilaments, microtubules and intermediate filaments which are composed of the proteins actin, tubulin, and [many different proteins] respectively.
The main components of the cellular cytoskeleton include microfilaments, microtubules and intermediate filaments which are composed of the proteins actin, tubulin, and [many different proteins] respectively.