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MMLU / 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?

choices

  1. It increases the concentration of OH-, causing the mitochondria to pump H+ to the intermembrane space.
  2. It increases the OH- concentration in the mitochondria matrix.
  3. It increases the acid concentration in the mitochondria matrix.
  4. It increases diffusion of H+ from the intermembrane space to the matrix.

subject

college_biology

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