What are the end products of one turn of the citric acid cycle?
A. 1 CO₂, 1 NADH, 1 FADH₂, and 1 GTP (or ATP).
B. 1 CO₂, 2 NADH, 1 FADH₂, and 1 ATP.
C. 2 CO₂, 3 NADH, 1 FADH₂, and 1 GTP (or ATP).
D. 2 CO₂, 2 NADH, 2FADH₂, and 2 ATP.