Final answer:
Mitochondria are key organelles in the cell responsible for producing ATP through cellular respiration.
Explanation:
Mitochondria are organelles responsible for producing adenosine triphosphate (ATP), the main energy currency of the cell, through cellular respiration. These double-membrane structures contain their own DNA and ribosomes, playing a crucial role in energy production. Mitochondria are often referred to as the "powerhouses" or "energy factories" of the cell.
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