Which of the following processes generates most of the NADH that delivers electrons to the electron transport chain?

The Krebs cycle begins with the addition of acetyl CoA to which of the following?

Why is the citric acid cycle called a "cycle"?

In the citric acid cycle, for each pyruvate that enters the cycle, one ATP, three NADH, and one FADH₂ are produced. For each glucose molecule that enters glycolysis, how many ATP, NADH, and FADH₂ are produced in the citric acid cycle?

Where do the reactions of the citric acid cycle occur in eukaryotic cells?

Which of the following represents the major energy-related accomplishment of the citric acid cycle, even though it is not the only energy-related accomplishment?

After completion of the citric acid cycle, most of the usable energy from the original glucose molecule is in the form of __________.