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  1. Mitochondrion | Definition, Function, Structure, & Facts | Britannica

    Nov 19, 2025 · Mitochondrion, organelle found in most eukaryotic cells, the primary function of which is to generate energy in the form of adenosine triphosphate. Mitochondria also store calcium for cell …

  2. Mitochondria: Form, function, and disease - Medical News Today

    May 27, 2025 · People often refer to mitochondria as the powerhouses of the cell. Their main function is to generate the energy necessary to power cells, but they are also involved in cell signaling and …

  3. Mitochondrion - Wikipedia

    Mitochondria have a double membrane structure and use aerobic respiration to generate adenosine triphosphate (ATP), which is used throughout the cell as a source of chemical energy. [2] . They …

  4. Mitochondria - Definition, Structure, Function

    Jan 23, 2024 · A mitochondrion (plural: mitochondria) is an organelle in plants, animals, and fungi that produces chemical energy for cells. Mitochondria are the powerhouses of the cell.

  5. The Role of Mitochondria: More Than Just the Powerhouse

    Apr 19, 2025 · The most widely known function of mitochondria is their role in cellular respiration, the process by which cells convert nutrients into usable energy in the form of ATP.

  6. Mitochondria Function: A Simple Discussion and Diagram

    Oct 14, 2025 · What Do Mitochondria Do? The main function that occurs inside mitochondria is a chemical reaction that creates ATP, a molecule that the body uses for energy. The mitochondria also …

  7. Mitochondria and health - National Institutes of Health (NIH)

    Jul 22, 2025 · They produce signaling molecules that can travel through the bloodstream to control functions throughout the body. They can also respond in times of stress by splitting or changing …

  8. What Is the Main Function of Mitochondria? - MedicineNet

    Mitochondria produce energy to power the cell’s biochemical reactions. Dysfunction of these organelles results in mitochondrial disease. The main function of mitochondria, which are organelles also known …

  9. Mitochondria - Structure - Function - TeachMePhysiology

    May 27, 2025 · Function The mitochondrion is the site of ATP synthesis for the cell. The number of mitochondria found in a cell are therefore a good indicator of the cell’s rate of metabolic activity; cells …

  10. What Does The Mitochondria Do? | UCLA Medical School

    What Does The Mitochondria Do? Mitochondria, the parts of a cell that break down energy, have a breathtaking vitality, researchers say. These dynamic bodies – up to 1,000 in each cell – zoom …