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MMLU-Pro / 3392 / Mitochondria isolated and placed in a buffered solution with a low pH begin to…

Problem

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question

Mitochondria isolated and placed in a buffered solution with a low pH begin to manufacture ATP. Which of the following is the best explanation for the effect of low external pH?

category

biology

options

  1. It increases the acid concentration in the mitochondria matrix.
  2. It decreases the acid concentration in the mitochondria matrix.
  3. It increases the concentration of H+ in the mitochondria matrix.
  4. It decreases the OH- concentration in the mitochondria matrix.
  5. It increases diffusion of H+ from the intermembrane space to the matrix.
  6. It increases the OH- concentration in the mitochondria matrix.
  7. It increases the concentration of OH-, causing the mitochondria to pump H+ to the intermembrane space.
  8. It decreases diffusion of H+ from the intermembrane space to the matrix.
  9. It decreases the H+ concentration in the mitochondria matrix.
  10. It increases the concentration of H+, causing the mitochondria to pump OH- to the intermembrane space.

src

ori_mmlu-college_biology

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