To break down a glucose molecule completely, how many "turns" of the Krebs cycle are required?
A) 2
B) 3
C) 4
D) 6
E) 12

Question

Quizplus · Accepted Answer

One glucose molecule is broken down into two molecules of pyruvate through glycolysis, and each pyruvate molecule is converted into acetyl-CoA before entering the Krebs cycle. Therefore, two "turns" of the Krebs cycle are required to completely break down one glucose molecule.

To Break Down a Glucose Molecule Completely, How Many "Turns