The Effect Of Gramicidin On Oxidative Phosphorylation

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The Effect Of Gramicidin On Oxidative Phosphorylation

When the protein gramicidin is integrated into a membrane, an H+ channel forms and the membrane becomes very permeable to protons (H+ ions). If gramicidin is added to an actively respiring muscle cell, how would it affect the rates of electron transport, proton pumping, and ATP synthesis in oxidative phosphorylation? (Assume that gramicidin does not affect the production of NADH and FADH2 during the early stages of cellular respiration.) Sort the labels into the correct bin according to the effect that gramicidin would have on each process.
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Remains the same: proton pumping rate, electron transport rate, rate of oxygen uptake Decreases (or goes to zero): Rate of ATP synthesis, size of the proton gradient
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