The primary difference between ATP synthesis during the photosynthetic light reactions and ATP synthesis in the mitochondrial electron transport chain is the A) cellular location of the proton motive force. B) enzyme catalyzing the ATP synthesis. C) number of ATP produced per 360 Rotation of the F₁ subunit of ATP synthase. D) number of NADPH required to produce ATP.

Question

Quizplus · Accepted Answer

The primary difference between ATP synthesis during the photosynthetic light reactions and ATP synthesis in the mitochondrial electron transport chain is the cellular location of the proton motive force. In photosynthesis, the proton motive force is established across the thylakoid membrane, whereas in mitochondrial respiration, the proton motive force is established across the inner mitochondrial membrane. This difference in location of the proton motive force affects the mechanism by which ATP synthase catalyzes ATP synthesis.

The Primary Difference Between ATP Synthesis During the Photosynthetic Light