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Chemiosmosis and Weight Loss

  1. May 30, 2004 #1

    loseyourname

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    This was a question given to one of my classes on an exam some time back. I wonder if anyone here can nail it. I know the answer now of course, but I'm curious to see what the posters will think.

     
  2. jcsd
  3. May 30, 2004 #2

    Monique

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    Ah, a biochem question :smile: normally a proton gradient is set up along the respiratory chain, at the end of the chain the ATP synthase unit uses this proton gradient to synthesize ATP. The uncoupler neutrolizes the proton gradient by making the membrane leaky, thus no ATP can be made. DNP doesn't prevent respiration from taking place, so energy is still being burned but it is not turned into anything usefull. There isn't enough ATP in the cell, so it will upregulate respiration, burning more energy :P
     
  4. May 30, 2004 #3

    loseyourname

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    You're basically right, but you'd only get half-credit for that answer. The professor wanted a more specific description of what would happen. ATP can still be made, just not through chemiosmosis.
     
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