How does the citric acid cycle integrate with the electron transport chain through FADH2?

• A. FADH2 produced in the citric acid cycle is utilized in the electron transport chain at Complex II.
• B. FADH2 produced in the citric acid cycle is utilized in the electron transport chain at Complex I.
• C. FADH2 produced in the citric acid cycle is utilized in the electron transport chain at Complex IV.
• D. FADH2 produced in the citric acid cycle is utilized in the electron transport chain at Complex III.

Answer: (A)