Final answer:
Mitochondria are the powerhouses of the cell responsible for energy production through cellular respiration.
Step-by-step explanation:
The structures that function as the powerhouses of the cell are the mitochondria. They are responsible for producing energy in the form of ATP through a process called cellular respiration. Mitochondria are found in both plant and animal cells and have their own DNA.
Learn more about Mitochondria as the powerhouses of the cell