Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Mitochondria are organelles within eukaryotic cells that produce most of the cell’s supply of adenosine triphosphate (ATP), used as a source of chemical energy.
These are folds in the inner membrane of mitochondria where much of cellular respiration occurs. They're like solar panels collecting sunlight to generate electricity.
The fluid inside mitochondria where some stages of cellular respiration occur. It's akin to the control room in our power plant analogy, where all operations are monitored and managed.