[Campbell Biology P.226] In eukaryotic cells, where does the proton-motive force for ATP syn... | Practice Question

In eukaryotic cells, where does the proton-motive force for ATP synthesis primarily establish and where do glycolysis and the citric acid cycle occur?

  • A: Intermembrane space; glycolysis in mitochondrion, citric acid cycle in cytosol.
  • B: Mitochondrial matrix; glycolysis in cytosol, citric acid cycle in mitochondrion.
  • C: Intermembrane space; glycolysis in cytosol, citric acid cycle in mitochondrion.
  • D: Cytosol; glycolysis in cytosol, citric acid cycle in cytosol.

Explanation

The text states that in eukaryotic cells, H+ is deposited in the intermembrane space, forming the proton-motive force. Figure 9.15 clearly shows Glycolysis in 'CYTOSOL' and Pyruvate Oxidation, Citric Acid Cycle, and Oxidative Phosphorylation within the 'MITOCHONDRION'.