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Thread: Respiration

  1. #1 Respiration 
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    Is it possible for respiration to continue into the link reaction and Krebs cycle even in aerobic conditions? From diagrams it seems the only use for oxygen is as a final electron acceptor, which is only needed at the end of oxidative phosphorylation (ETC) but it says in aerobic respiration only Glycolysis can take place.


    BLAKELEY
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  3. #2  
    Forum Cosmic Wizard i_feel_tiredsleepy's Avatar
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    Glycolysis can be carried through anaerobically through fermentation. The Krebs cycle on the other hand occurs within the mitochondria (not a place where you want fermentation going on) and it requires even more ATP to push pyruvate through to the Krebs and you wouldn't actually be able to replenish your ATP without the ETC. Moreover, succinic dehydrogenase is a component of the ETC, so without oxygen you would not be able to convert succinate to fumarate.


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  4. #3  
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    Ok thanks.
    BLAKELEY
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