Molecules Called Uncouplers Allow Protons to Cross the Inner Mitochondrial

question 9

Multiple Choice

Molecules called uncouplers allow protons to cross the inner mitochondrial membrane.What effect would this have on ATP production in the mitochondria?

• A)Reduction, because electrons would not be able to move through the electron transport chain
• B)Reduction, because protons would not be available to pass through the ATPase
• C)No effect, because protons cross the outer mitochondrial membrane to produce ATP
• D)Increase, because this would spontaneously establish a proton gradient
• E)Increase, because this would make more oxygen available in the mitochondrial matrix

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