Which of the Following Statements Is(are)TRUE About Oxidative Phosphorylation

question 17

Multiple Choice

Which of the following statements is(are) TRUE about oxidative phosphorylation?
(I) Electron transport provides energy to pump protons into the intermembrane space.
(II) An electrochemical gradient is formed across the inner mitochondrial membrane.
(III) Potassium and sodium ions form an ionic gradient across the inner mitochondrial membrane.
(IV) Complexes I,II,III,IV actively transport protons into the intermembrane space during electron transport.

• A)I,II,III,IV
• B)I,II,IV
• C)II,III,IV
• D)I,IV
• E)II,IV

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