Aerobic Respiration Quiz

What is the primary location within the cell where the link reaction and Krebs cycle occur?

• Endoplasmic Reticulum

• Mitochondrial Matrix

• Nucleus

• Cytoplasm

During the link reaction, what molecule is formed when pyruvate binds with coenzyme A?

• Citrate

• Glucose

• Acetyl Coenzyme A

• Lactic Acid

What is released as a waste product during the link reaction?

• Carbon Dioxide

• ATP

• Water

• Oxygen

In the Krebs cycle, acetyl CoA combines with a four-carbon molecule to form which six-carbon molecule?

• Malate

• Succinate

• Citrate

• Oxaloacetate

What process occurs twice in the Krebs cycle to reduce the carbon count from six to four?

• Hydration

• Dehydration

• Oxidative Decarboxylation

• Phosphorylation

Which molecule is reduced to FADH2 during the Krebs cycle?

• ATP

• FAD

• NAD

• ADP

How many NADH molecules are produced per glucose molecule during the Krebs cycle?

• Two

• Eight

• Six

• Four

What is the total number of ATP molecules produced directly in the Krebs cycle per glucose molecule?

• One

• Two

• Three

• Four

Which of the following is NOT a product of the Krebs cycle?

• NADH

• FADH2

• Oxygen

• ATP

What is the total yield of NADH from glycolysis, the link reaction, and the Krebs cycle per glucose molecule?

• Eight

• Twelve

• Ten

• Fourteen