Final answer:
The nucleus is considered the control center of the cell because it stores the genetic instructions for protein synthesis and controls the structure and function of the cell.
Step-by-step explanation:
The nucleus is generally considered the control center of the cell because it stores all of the genetic instructions for manufacturing proteins. It contains the genetic material, DNA, which determines the entire structure and function of the cell. The nucleus sends commands to the rest of the cell through molecular messengers that translate the information from DNA.