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Aerobic respiration of say seedlings with an intact cotyledon

  1. Jan 17, 2010 #1
    Aerobic respiration of say seedlings with an intact cotyledon:

    what happens between the energy produced in the reaction

    C6H12O6 + 6O2 => 6CO2 + 6H2) + ATP

    and the ATP releasing energy to drive biochemical activities?

    Is energy produced and then converted to the ATP? Or is the energy stored as ATP? I'm a little confused in terms of the energy actually produced and the ATP.

    Also what is the energy really used for? Besides cell division to promote growth of the seedling.
     
  2. jcsd
  3. Jan 17, 2010 #2

    Andy Resnick

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    Re: Respiration

    I'm having a hard time understanding your question. In mammalian cells (mitochondria, anyway), ATP is produced by a couple of reactions (glycolysis and oxidative phosphorylation). The ATP is then used to provide chemical energy to drive other biochemical reactions. The important point to know is that this energy is stored, not as 'high energy bonds', but by the Gibbs free energy obtained by having a concentration of ATP (relative to ADP) much different than equilibrium.

    ATP is used pretty much for every biochemical reaction, except when GTP is used.

    http://en.wikipedia.org/wiki/Adenosine_triphosphate
     
  4. Jan 17, 2010 #3
    Re: Respiration

    Thank you very much. The link was also very helpful.
     
  5. Jan 25, 2010 #4
    Re: Respiration

    The energy is coupled with phosphorylation of AMP and ADP through oxidative phosphorylation.
     
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