Cellular Respiration Quiz

What is the primary function of mitochondria in the cell?

• C. Storing genetic information

• B. Generating energy

• A. Synthesizing proteins

• D. Regulating cell division

What is the molecule that stores energy in our bodies?

• D. Glucose

• C. ATP

• B. RNA

• A. DNA

What is the end product of cellular respiration?

• D. Methane and ethane

• C. Nitrogen and hydrogen

• B. Carbon dioxide and water

• A. Oxygen and glucose

Which stage of cellular respiration occurs in the mitochondria?

• C. Oxidative phosphorylation

• A. Glycolysis

• D. Anaerobic respiration

• B. Citric acid cycle

What is the first stage of cellular respiration?

• C. Glycolysis

• D. Fermentation

• A. Citric acid cycle

• B. Oxidative phosphorylation

What is the primary function of the citric acid cycle?

• D. Releasing oxygen

• A. Producing carbon dioxide

• B. Generating ATP

• C. Breaking down glucose

Where does the majority of ATP production occur in cellular respiration?

• C. Mitochondrial matrix

• A. Cytoplasm

• D. Intermembrane space

• B. Nucleus

What is the final product of the electron transport chain in cellular respiration?

• C. Carbon dioxide

• B. Water

• A. Glucose

• D. ATP

What is the purpose of the proton gradient in oxidative phosphorylation?

• D. To release energy

• C. To power ATP synthase

• B. To generate carbon dioxide

• A. To create water

How many ATP molecules can be generated per second in a single cell?

• A. 1,000

• B. 10,000

• C. 100,000

• D. 1,000,000