Which Statement About Energy Conservation in the Mitochondrion Is FALSE

question 31

Multiple Choice

Which statement about energy conservation in the mitochondrion is FALSE?

• A) Drugs that inhibits the ATP synthase will also inhibit the flow of electrons down the chain of carriers.
• B) For oxidative phosphorylation to occur, it is essential to have a closed membranous structure with an inside and an outside.
• C) The yield of ATP per mole of oxidizable substrate depends on the substrate.
• D) Uncouplers (such as dinitrophenol) have exactly the same effect on electron transfer as inhibitors such as cyanide; both block further electron transfer to oxygen.
• E) Uncouplers "short circuit" the proton gradient, thereby dissipating the proton motive force as heat.

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