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Kreb Cycle

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Kreb Cycle

Postby mialmita on Sat May 07, 2005 5:02 am

Why must the electron transport chain and oxidative phosphorylation be coupled? :?
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Postby thank.darwin on Sun May 08, 2005 4:47 pm

What do you mean; coupled?
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Postby mith on Sun May 08, 2005 5:26 pm

linked, in tandem?
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Postby thank.darwin on Tue May 10, 2005 8:59 pm

Please explain...

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Postby Jelanen on Wed May 11, 2005 2:28 am

Because if the ETS and oxidative phosphorylation (Complex 5) were not coupled, you wouldn't generate the proton gradient needed to phosphorylate ADP. You might generate a gradient, but there would be no Complex 5 to run the phosphorylation or conversely, you might have a bunch of Complex 5s but no ETS to set up the gradient. I'm pretty sure thats the answer you are seeking.

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