Cellular Respiration Quiz

What is the primary purpose of cellular respiration?

• To break down proteins

• To create oxygen

• To generate ATP

• To produce glucose

Which stage of cellular respiration occurs in the cytoplasm?

• Oxidative phosphorylation

• Glycolysis

• Citric acid cycle

• Pyruvate oxidation

What molecule is glucose initially broken down into during glycolysis?

• Pyruvate

• Acetyl CoA

• Citric acid

• NADH

Which molecule acts as an electron carrier in cellular respiration?

• ATP

• NAD+

• Glucose

• Oxygen

What is the final electron acceptor in the electron transport chain?

• Oxygen

• NADH

• Carbon dioxide

• Water

Which process can occur without oxygen?

• Oxidative phosphorylation

• Pyruvate oxidation

• Glycolysis

• Citric acid cycle

What is produced during the citric acid cycle?

• Water

• Glucose

• Oxygen

• ATP, NADH, and FADH2

What enzyme is responsible for ATP production in oxidative phosphorylation?

• ATP synthase

• Hexokinase

• NADH dehydrogenase

• Cytochrome c oxidase