Given a scientific question, generate a correct answer to it.

Input: Consider Input: G2 and s are phases in what process that is important in cell division?

Output: mitosis

Input: Consider Input: The process of breaking down food into nutrients is known as __________

Output: digestion

Input: Consider Input: In boys, what hormone stimulates the growth of the larynx and thickening and lengthening of the vocal folds, which causes the voice to drop in pitch during puberty?
Output: testosterone