Answer:
The correct answer is option E. microtubules.
Explanation:
Microtubules are the major part of the cytoskeleton. Microtubules are tubular structure composed of two subunits, α-tubulin, and β-tubulin that joined into linear protofilaments.
Microtubules play a role in providing support to the cell. It also gives shape to the cell. They also show transportation function as cell organelles move through it. It provides a route for cell organelle movement.
Thus, the correct answer is option E. microtubules.