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← ScienceWhich risk increases for electron transport when protein conformational change is constrained?
A)Oxidative phosphorylation uncoupling dominates
B)Superoxide radical formation increases✓
C)Reverse electron transport is promoted
D)Proton gradient dissipation accelerates
💡 Explanation
Constraining the protein conformation can prevent efficient electron transfer, because the electron tunneling rate demands proper molecular orbital alignment. Therefore, electrons prematurely react with oxygen rather than passing between electron carriers, because proper alignment through movement reduces the odds otherwise.
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