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Cellular Respiration -- Step Three: Krebs Cycle

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Uploaded by on Sep 27, 2009

Krebs Cycle

The Acetyl CoA from the Link Reaction is the key to this reaction. The primary objective of the Krebs Cycle is the conversion of NAD to NADH + H(+) and FAD to FADH2. These conversions allow the electron transport chain to produce ATP.

Song: B T - Rose of Jericho

El Dorado High School

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  • ha this is great! gives me the essentials.

  • it seems like you kinda squished together a few steps when you go from the 5 carbon molecule to the 4 carbon molecule according to my notes? Other than that this is a really helpful vid (as were your previous ones) and still helped me understand a lot better what was going on, cheers :)

  • omg i now understand! thank you :)

  • best videos ever! so good, that our teacher reccommended it to us

  • @running4everfree i'm pretty sure it's Bleeding Cowboys, or something like that =)

  • whats font is that? like the fancy font.

  • Basics are always appreciated, knowing the fundamentals gives you room to expand in detail later. Good work, nice vid :)

  • well... I was studying for my Ap Biology test, and i had my book out watching this. In Krebs cycle, after the Oxaloacetate is affected by the Acetyl CoA, it becomes the 5 carbon Citrate. And next, to become Isocitrate by removing water, and adding it back on. And near the end, where Fumarate becomes Malate, you add a water molecule. You make 3 NADH, one FADH2, and an ATP. I don't think it produces any water.

  • dude you skip a lot. Why don't you talk about more of the steps? like the loss of water.

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