Chapter 9, Cellular Respiration and Fermentation - Assessment - 9.2 The process of Cellular Respiration - Understand Key Concepts/Think Critically - Page 268: 18

When hydrogen ions pass through the ATP synthase in the mitochondrial membrane, the hydrogen ions cause rotation in the base of the ATP synthase. When the ATP synthase base spins, the enzyme then snatches up an ADP molecule and adds a phosphate to it, thus producing a molecule of ATP.

When hydrogen ions pass through the ATP synthase in the mitochondrial membrane, the hydrogen ions cause rotation in the base of the ATP synthase. When the ATP synthase base spins, the enzyme then snatches up an ADP molecule and adds a phosphate to it, thus producing a molecule of ATP.