Discussion of all aspects of cellular structure, physiology and communication.
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I am doing my revision and don't understand the relationship between oxygen and Krebs. My book says that due to the absence of oxygen, pyruvates generated from glycolysis cannot enter the Krebs cycle and the electron transport chain, thus imcomplete oxidation of organic food is resulted. I understand why the absence of oxygen makes the electron transport chain not happen. It is because oxygen is needed to as the final electron acceptor in the electron transport chain. However, I don't understand why Krebs cycle cannot take place for I cannot see oxygen taking part in the Krebs cyle.
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