If three molecules of glucose went through glycolysis and eventually into the citric acid cycle, how many times did the preparatory reaction occur?
A) One
B) Two
C) Four
D) Six
E) Twelve

Question

Quizplus · Accepted Answer

The preparatory reaction occurs once per glucose molecule before entering the citric acid cycle, converting pyruvate into acetyl-CoA. Since there are three glucose molecules, the preparatory reaction occurs six times in total.

If Three Molecules of Glucose Went Through Glycolysis and Eventually