ATP-PC System and Lactic Acid System Quiz

What enzyme is responsible for breaking the bonds in ATP to release energy for exercise in the ATP-PC system?

• ATPase

• Glycogen phosphorylase

• PFK

• Lactate dehydrogenase

What is the byproduct left behind when creatine phosphate (CP) is used in the ATP-PC system?

• Lactic acid

• Pyruvate

• Creatine

• Glucose

How long does it take for the ATP-PC system to recover?

• 2 minutes

• 4 minutes

• 6 minutes

• 8 minutes

In the lactic acid system, what is the enzyme that breaks down glycogen into glucose?

• ATPase

• Glycogen phosphorylase

• PFK

• Lactate dehydrogenase

What is produced as a byproduct of anaerobic glycolysis in the lactic acid system?

• Creatine

• Pyruvate acid

• Glucose

• Oxygen

How many ATP molecules are produced in the lactic acid system?

• 1 ATP

• 2 ATP

• 3 ATP

• 4 ATP

What is the role of glycogen phosphorylase in the aerobic system?

• It breaks down glucose into glycogen.

• It breaks down glycogen into glucose.

• It converts pyruvate into acetyl coenzyme A.

• It produces ATP directly.

What is produced when pyruvate acid turns into acetyl coenzyme A in the presence of oxygen?

• Lactic acid

• Water

• Acetyl coenzyme A

• Glucose

How many ATP modules are produced in total via the aerobic system?

• 2 ATP

• 34 ATP

• 38 ATP

• 40 ATP

What waste product is produced when hydrogen connects to O2 modules via oxidation?

• CO2

• H2O

• Lactic acid

• Glucose