About 68,000,000 results
Open links in new tab
  1. Mitochondrion | Definition, Function, Structure, & Facts | Britannica

    Oct 18, 2025 · Mitochondria are typically round to oval in shape and range in size from 0.5 to 10 μm. In addition to producing energy, mitochondria store calcium for cell signaling activities, …

  2. Mitochondria - Definition, Function & Structure | Biology Dictionary

    May 8, 2020 · Mitochondria (singular: mitochondrion) are organelles within eukaryotic cells that produce adenosine triphosphate (ATP), the main energy molecule used by the cell.

  3. Mitochondria – Definition, Structure, Function

    Jan 23, 2024 · They are unique organelles present in almost all eukaryotic cells that are responsible for generating the cell’s supply of adenosine triphosphate (ATP), the energy …

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

    Apr 19, 2025 · Mitochondria are more than just the powerhouses of the cell. They are dynamic organelles involved in a multitude of cellular functions, including energy production, regulation …

  5. Mitochondria Function: A Simple Discussion and Diagram

    Oct 14, 2025 · Key Takeaways Mitochondria are the parts of cells that create energy for the body. Mitochondrial dysfunction can lead to diseases like Leigh syndrome and mitochondrial …

  6. 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 …

  7. Mitochondria: What to Know - WebMD

    Sep 1, 2024 · Only a few cells in the body do not possess mitochondria. Most of our cells house these organelles. However, the number of mitochondria found in a cell depends on the …

  8. The Essential Functions of Mitochondria in Cells

    Mitochondria are complex, double-membraned compartments found within the cells of nearly all organisms, excluding bacteria. These organelles are fundamental to the existence of higher …

  9. 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 – …

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

    What do the mitochondria do? The mitochondrial genome is vital for the mitochondria’s main role: burning the calories we eat with the oxygen we breathe to generate the energy to power all of …