What Process Is Described Here? a Concentration Gradient of H

question 39

Multiple Choice

What process is described here? A concentration gradient of H+ ions is created in the periplasmic space by actively transporting the ions across the membrane using the energy liberated when carrier molecules are oxidized. When the H+ ions pass through ATPase, enough energy is generated to add phosphate groups onto ADP molecules.

• A) Fermentation
• B) The Calvin cycle
• C) Substrate-level phosphorylation
• D) Oxidative phosphorylation
• E) Deamination

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