During Which Phase of Aerobic Respiration is FADH₂ Produced

Question

During which phase of aerobic respiration is FADH2produced?  
A) Glycolysis
B) Ethanol production
C) Acetyl-CoA formation
D) The citric acid cycle
E) Glycolysis and the citric acid cycle

Accepted Answer

FADH2 is produced during the citric acid cycle.

During which phase of aerobic respiration is FADH2 produced?

During which phase of aerobic respiration is FADH₂ produced?