Krebs Cycle Practice Problems

The end product/s of the electron transport chain include:

The first step of the Krebs cycle needs acetyl-CoA. Which of the following is specifically needed to produce acetyl-CoA:

Which of the following statements correctly describes the Krebs cycle:

I. The Krebs cycle can freely utilize carbohydrates, lipids, and amino acids to produce ATP

II. The final step of the Krebs cycle yields ATP

III. The Krebs cycle starts with pyruvate from glycolysis

Which metabolic pathway involves a series of reactions that break down glucose into carbon dioxide and water, producing ATP, NADH, and FADH₂ as energy carriers?