Understanding Cell Respiration

What is the primary purpose of cellular respiration?

• To produce glucose

• To generate ATP

• To create oxygen

• To store energy in the form of fat

Which of the following is the correct equation for cellular respiration?

In which part of the cell does glycolysis occur?

• Mitochondria

• Cytoplasm

• Nucleus

• Ribosome

What is the net gain of ATP molecules produced during glycolysis?

• 1 ATP

• 2 ATP

• 4 ATP

• 6 ATP

Which molecule is the final electron acceptor in the electron transport chain?

• Carbon dioxide

• Water

• Oxygen

• Glucose

What is the main product of the Krebs cycle that is used in the electron transport chain?

• ATP

• NADH

• FADH2

• Pyruvate

Which of the following processes produces the most ATP during cellular respiration?

• Glycolysis

• Krebs cycle

• Electron transport chain

• Fermentation

What is the role of oxygen in cellular respiration?

• To break down glucose

• To act as a catalyst

• To accept electrons at the end of the electron transport chain

• To produce carbon dioxide

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

• ATP

• NADH

• FADH2

• Glucose

How many molecules of carbon dioxide are produced from one molecule of glucose during cellular respiration?

• 2

• 4

• 6

• 8