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

    Oct 18, 2025 · Mitochondria are found in the cells of nearly every eukaryotic organism, including plants and animals. Cells that require a lot of energy, such as muscle cells, can contain …

  2. Mitochondrion - Wikipedia

    The egg cell contains relatively few mitochondria, but these mitochondria divide to populate the cells of the adult organism. This mode is seen in most organisms, including the majority of …

  3. 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 …

  4. Mitochondria – Definition, Structure, Function

    Jan 23, 2024 · Mitochondria are organelles found in the cells of most eukaryotic organisms. They are the powerhouses of the cell because they generate most of the cell’s supply of adenosine …

  5. Mitochondria: What to Know - WebMD

    Sep 1, 2024 · Mitochondria are responsible for producing and providing energy to our bodies, especially in organs such as the heart, brain, and muscles, which require high-energy …

  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 …

  7. Mitochondria - National Human Genome Research Institute

    4 days ago · Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions.

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

    Jul 22, 2025 · Mitochondria are organelles—structures within cells that perform specific functions. Scientists often call mitochondria the powerhouses of the cell, because they produce about …

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

    Apr 19, 2025 · When we think of mitochondria, we often think of them as the “powerhouses” of the cell—responsible for generating energy in the form of adenosine triphosphate (ATP). This …

  10. Mitochondria: what are they and why do we have them?

    We’ve probably all heard of mitochondria, and we may even remember learning in school that they are the “powerhouses of the cell” – but what does that actually mean, and how did they …