For the complete respiration of one molecule of glucose, the citric acid cycle must turn a total of
A) one time.
B) two times.
C) three times.
D) four times.
E) six times.

Question

Quizplus · Accepted Answer

For the complete respiration of one molecule of glucose, the citric acid cycle must turn a total of two times. This is because one molecule of glucose, through glycolysis and subsequent reactions, produces two molecules of acetyl-CoA, each of which enters the citric acid cycle separately.

For the Complete Respiration of One Molecule of Glucose, the Citric