Monday, September 26, 2022
Mitochondrial Health

Mitochondria: The Powerhouse of the Cell

In this video Paul Andersen explains how the mitochondria generates energy for the cell through aerobic respiration. He also explains how research into the organelle has shown its importance in eukaryotic evolution.

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All of the images are licensed under creative commons and public domain licensing:

Bff, L. jpg: J. work: (2010). Lynn Margulis. Retrieved from
Google Trends – Web Search interest – Worldwide, 2004 – present. (n.d.). Retrieved April 29, 2016, from
Jynto. (2011). Space-filling model of the carbon dioxide molecule, one of the most important chemical compounds in the world – vital for life as we know it, but catastrophic at excess levels. Colour code: Retrieved from
Kelvinsong. (2012). English: A reworked version of File:Biological_cell.svg. Retrieved from
Kelvinsong. (2013). English: Diagram of a mitochondrion. Retrieved from
Ltd, B. (n.d.). Lightning Free Stock Photo – Public Domain Pictures. Retrieved May 5, 2016, from
Nevit. (2010). English: Mitochondria. Retrieved from
Template:Life timeline. (2016, May 3). In Wikipedia, the free encyclopedia. Retrieved from
work, O. (2008). English: Structure of the water molecule (H2O). Retrieved from


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45 thoughts on “Mitochondria: The Powerhouse of the Cell
  1. looks like to me perfect design bit like but more advanced than our solid state electronics. The more one knows about this subject the more can't except two bugs got together, bingo, life as we know it. Mitchel I think it was who first suggested how the cell got power,he was short down again and again by the people who think they know, Mitchel showed more than anyone how the learned have fixed attitudes. the professor's could not accept the purposeful control for a given outcome that mitochondria do exhibit. Bugs can't understand control and process. No,ask the new school of control biologists.

  2. Thank you for this simplified explanation. Many of the million Americans diagnosed with ME/CFS have recently been drawn into this topic based on a publication by Robert Naviaux titled Metabolic Features of Chronic Fatigue Syndrome. This study discovered a chemical signature as evidence that ME/CFS is an objective metabolic disorder affecting mitochondrial energy metabolism, immune function, GI function, the microbiome, the autonomic nervous system, neuroendocrine, and other brain functions. We are hopeful his and other similar research will help lead us toward an approved biomarker and diagnostic test, an FDA approved treatment, and possibly a cure. Perhaps you and others in this field would be interested in conducting related research to help this cause. NIH funding is pitiful and much of the progressive research now being conducted is privately funding. We need help.

  3. Thank you very much for this great video!

    What is a "high energy electron"? Are we talking about kinetic energy (mv^2/2) or an electron in a higher energy orbital where a photon is absorbed or emitted?

    I have also been puzzling over the ATP molecule. Wikipedia says that ATP is fairly unstable in unbuffered water so its bond strength is weak and it hydrolyzes into ADP and a phosphate. But ATP is THE molecule for powering virtually all of life and people say it has a lot of energy stored in it. What is up with that?

    For example, when an ATP is attached to an enzyme in order to "power" it to do whatever it does, does the third phosphate "pop" off with kinetic energy (like a spring loaded BB gun) and mechanically force the enzyme to change shape and break or make a bond in the molecule it is processing?

  4. I love your videos, they help me remember what I've learned because of your great visual aids!
    Everyone though, it's "the mitochondria are the powerhouses of the cell." Mitochondrion is the singular. Also a great book to check out on the history of the endosymbiotic theory is "One Plus One Equals One." The hypothesis was around much before Lynn Margulis but she definitely expounded on it and helped it's acceptance.

  5. I wish I knew what College do you lecture so I can transfer there!!! Thank you for being so helpful!!!
    I am not sure if it is hard for Bio professors to make the content clear or it is just Bio so hard to understand.

  6. thank you. I came across your channel today after watching SciShow's recent post on Mitochondrial DNA from Both Parents. This made me understand what they were talking about. SciShow, Eddie Woo (math) and Rhonda Patrick (DNA, genetics, health) and your channels are now my favorites. I wish my science and math classes had great teachers like you guys.

  7. evolution is only a theory remember! their is no actual proof earth came from the big bang billions of years ago, that's why its called the big bang theory! dont know why people speak as if its real smh

  8. hi. what can you say about those who do ketogenic? is it really healthy to do that kind of diet cause they're avoiding carbs but it is being replaced by fats. what might be the effect to my body if I consume more fats done carbohydrates? by the way, I am not anti-keto. I just want clear some things about it cause I want to try it

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