Figure 7.1
-Starting with citrate, which of the following combinations of products would result from three acetyl CoA molecules entering the citric acid cycle (see Figure 7.1)?
A) 1 ATP, 2 CO₂, 3 NADH, and 1 FADH₂
B) 2 ATP, 2 CO₂, 3 NADH, and 3 FADH₂
C) 3 ATP, 3 CO₂, 3 NADH, and 3 FADH₂
D) 3 ATP, 6 CO₂, 9 NADH, and 3 FADH₂
E) 36 ATP, 6 CO₂, 6 NADH, and 6 FADH₂

Question

Figure 7.1
-Starting with citrate, which of the following combinations of products would result from three acetyl CoA molecules entering the citric acid cycle (see Figure 7.1)?
A) 1 ATP, 2 CO₂, 3 NADH, and 1 FADH₂ 
B) 2 ATP, 2 CO₂, 3 NADH, and 3 FADH₂ 
C) 3 ATP, 3 CO₂, 3 NADH, and 3 FADH₂ 
D) 3 ATP, 6 CO₂, 9 NADH, and 3 FADH₂ 
E) 36 ATP, 6 CO₂, 6 NADH, and 6 FADH₂

Quizplus · Accepted Answer

Each acetyl CoA entering the citric acid cycle produces 1 ATP (or GTP), 2 CO₂, 3 NADH, and 1 FADH₂. Therefore, three acetyl CoA molecules would produce 3 ATP, 6 CO₂, 9 NADH, and 3 FADH₂.

Figure 7.1 -Starting with Citrate, Which of the Following Combinations of Products