Question

which of the following is an important filament that helps to maintain the shape and structure of the cell? a.) microtubule b.) mitochondria c.) ribosomes d.) lysosomes

Explanation:

Microtubules are part of the cytoskeleton, which provides structural support to the cell. Mitochondria are the power - houses of the cell (produce ATP). Ribosomes are involved in protein synthesis. Lysosomes are responsible for breaking down waste materials in the cell.

Answer:

A. Microtubule