Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

[EX Q]: Question: What can be used to convert the energy provided by the sun to usable electrical energy? Answer: solar cells
[EX A]: Solar cells convert the energy in sunlight to electrical energy. They contain a material such as silicon that absorbs light energy and gives off electrons.

[EX Q]: Question: What part of the cell helps it keep its shape? Answer: cytoskeleton
[EX A]: cytoskeleton. This is a network of fibers and tubules that crisscrosses the cytoplasm. The cytoskeleton helps the cell keep its shape.

[EX Q]: Question: All of the stages that a cell goes through make up what? Answer: the cell cycle
[EX A]:
Cell division is just one of the stages that a cell goes through during its lifetime. All of the stages that a cell goes through make up the cell cycle .