Which Statement Is True of the Mitochondrial Electron Transport System

question 81

Multiple Choice

Which statement is true of the mitochondrial electron transport system?

• A) All the electron carriers are located in enzyme complexes.
• B) All the electrons in the chain end up on O₂ to produce water.
• C) The pH drops in the mitochondria as electrons pass through the system.
• D) Protons are pumped from the inner membrane space to the mitochondrial matrix during the electron transfer.

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