Answer:
The correct answer is NADH and FADH2
Explanation:
Citric acid cycle or TCA cycle is the second stage of cellular respiration that occurs in mitocondrial matrix.
During TCA cycle various reducing equivalents are generated such as NADH and FADH2.They are the reduced form of NAD+ and FAD which act as co enzymes.
NADH and FADH2 of TCA cycle also act as electron carriers as they act donates electrons during Electron transport chain .
