Which of the Following Statements About Energy Conservation in the Mitochondrion

question 14

Multiple Choice

Which of the following statements 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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