Which of the Following Is True Regarding Proton Movement in the Mitochondria

question 36

Multiple Choice

Which of the following is true regarding proton movement in the mitochondria?

• A) complex III pumps 2 protons across the inner membrane
• B) protons move from the matrix to the inner membrane space via the a and c subunits of ATP synthase to produce ATP
• C) 2,4-dinitrophenol moves protons from the inner membrane space to the matrix without ATP synthesis
• D) the matrix becomes acidic due to the proton movement coupled to electron transport
• E) none of the above

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