Uploaded September 2023 | Updated September 2026, 2 hours ago

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You can find all my A Level Biology videos fully indexed at freesciencelessons.co.uk/a-level-revision-videos/a-level-biology

In this video, we look at the Krebs cycle. I take you through the cycle, looking at all the key molecules involved. I also account for the number of carbon atoms and the molecules of ATP, reduced NAD, reduced FAD and carbon dioxide produced.