Cellular Respiration and the Citric Acid Cycle Quiz

Who is largely responsible for working out the pathway of the citric acid cycle?

• Louis Pasteur

• Marie Curie

• Gregor Mendel

• Hans Krebs

How many molecules of carbon dioxide are released during the oxidation of pyruvate to acetyl CoA?

• Three

• Two

• One

• Four

What is the other name for the citric acid cycle?

• Krebs Cycle

• The Glycolysis Cycle

• The Electron Transport Chain

• Tricarboxylic Acid Cycle

How many steps are there in the citric acid cycle?

• Seven

• Nine

• Eight

• Six

What is the total yield per glucose from the citric acid cycle?

• 3 NADH, 1 FADH2, 1 ATP

• 6 NADH, 2 FADH2, 2 ATP

• 4 NADH, 3 FADH2, 3 ATP

• 5 NADH, 2 FADH2, 4 ATP

Where do all the citric acid cycle enzymes reside in eukaryotic cells?

• Nucleus

• Endoplasmic reticulum

• Cytoplasm

• Mitochondrial matrix

What is the main function of the citric acid cycle?

• To produce glucose

• to produce the ATP

• To further oxidize organic fuel

• To generate high energic NADH