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The following statements concern the relationship between mitochondrial hydrogen ion concentration and energy storage as atp during oxidative phosphorylation. Classify each statement as either accurate or inaccurate.Accurate InaccurateStatementsHydrogen ions cannot freely pass through the inner mitachondrial membraneOxidative phosphorylation relies on the H H+ concentration is lower in the mitochondrial gradient generated by the electron transport chain matrix than in the intermembrane spaceEnergy is generated as a result of the difference in hydrogen ion concentration betweenThe pH in the intermembrane space is higher the mitochondrial matrix and the cytoplasm than the pH in the mitochondrial matrix ATP synthase uses energy from ATP to move H into the mitochondrial matrix

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Answer;

1. Hydrogen ions cannot freely pass through the inner mitochondrial membrane.

2. H+ concentration is lower in the mitochondrial matrix than in the intermembrane space.

3. H+ ions move through a channel formed by ATP synthase releasing energy to form ATP.

Explanation;

  • The electron transport chain forms a proton gradient across the inner mitochondrial membrane, which drives the synthesis of ATP via chemiosmosis.
  • Energy released in electron transport reactions is captured as a proton gradient, which is then used to make ATP in a process called chemiosmosis.
  • The electron transport chain and chemiosmosis make up oxidative phosphorylation.