Refer to Figure 9

Multiple Choice

Refer to Figure 9.1 to answer the following questions.
Figure 9.1 illustrates some of the steps (reactions) of glycolysis in their proper sequence. Each step is lettered. Use these letters to answer the questions.

-Substrate-level phosphorylation accounts for approximately what percentage of the ATP formed during glycolysis?

A) 0%
B) 2%
C) 10%
D) 38%
E) 100%