Final answer:
The mitochondrion is considered the cell's powerhouse as it generates energy through cellular respiration.
Step-by-step explanation:
The organelle that is considered the cell's powerhouse is the mitochondrion. It is often referred to as the 'powerhouse of the cell' because it is responsible for generating the majority of the cell's energy in the form of ATP (adenosine triphosphate) through cellular respiration.
Learn more about The cell's powerhouse