Which of the Following Events at the Electron-Transport Chain Occurs

question 132

Multiple Choice

Which of the following events at the electron-transport chain occurs last?

• A) Hydrogen ions diffuse into inner mitochondrial compartment.
• B) Hydrogen ions are moved from inner to outer mitochondrial compartment.
• C) The movement of hydrogen ions through special channels is coupled to ATP production.
• D) A hydrogen ion concentration gradient is established.
• E) NADH transfer electrons to the electron-transport chain.

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