Refer to Figure 9.2, showing the citric acid cycle, as a guide to answer the following questions.

-Assume a mitochondrion contains 58 NADH and 19 FADH₂. If each of the 77 dinucleotides were used, approximately how many ATP molecules could be generated as a result of oxidative phosphorylation (chemiosmosis)?
A)36
B)77
C)173
D)212
E)1102

Question

Refer to Figure 9.2, showing the citric acid cycle, as a guide to answer the following questions.
 
-Assume a mitochondrion contains 58 NADH and 19 FADH₂. If each of the 77 dinucleotides were used, approximately how many ATP molecules could be generated as a result of oxidative phosphorylation (chemiosmosis)?
A)36 
B)77 
C)173 
D)212 
E)1102

Quizplus · Accepted Answer

Each NADH can generate approximately 3 ATP, and each FADH₂ can generate approximately 2 ATP. Therefore, 58 NADH would produce 174 ATP (58 x 3), and 19 FADH₂ would produce 38 ATP (19 x 2). The total ATP generated would be 174 + 38 = 212 ATP.