Refer to Figure 9

Multiple Choice

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

-Inside an active mitochondrion, most electrons follow which pathway?

A) glycolysis → NADH → oxidative phosphorylation → ATP → oxygen
B) citric acid cycle → FADH2 → electron transport chain → ATP
C) electron transport chain → citric acid cycle → ATP → oxygen
D) pyruvate → citric acid cycle → ATP → NADH → oxygen
E) citric acid cycle → NADH → electron transport chain → oxygen