Cellular respiration

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

• 6CO₂ + 6H₂O ⟶ C₆H₁₂O₆ + 6O₂ + ATP

• 6O₂ + C₆H₁₂O₆ ⟶ 6H₂O + 6CO₂ + ATP

• C₆H₁₂O₆  + 6H₂O ⟶ 6CO₂ + 6O₂ + ATP

• 6O₂ + 6H₂O ⟶ C₆H₁₂O₆ + 6CO₂ + ATP

The goal of cellular respiration is to:

• make water

• make ATP

• make glucose

• make oxygen

What stage of cellular respiration produces the most number of ATP?

• Glycolysis

• Krebs cycle

• Electron transfer chain

• anaerobic respiration

What is true of NAD in cellular respiration?

• NAD carries the oxygen needed to break down the glucose molecules into the cell.

• NAD is used to directly break apart the glucose molecules.

• NAD carries and transfers electrons and H+ ions.

• NAD carries excess carbon dioxide out of the cell.

Which of the following is true regarding the yield of ATP during aerobic cellular respiration?

• Aerobic cellular respiration always yields 38 ATP once the process has completed.

• The theoretical yield of ATP from aerobic cellular respiration is 38 ATP, but often times the actual yield is lower.

• The theoretical yield of ATP from aerobic cellular respiration is 30 ATP, but often the actual yield is much higher.

• It is impossible to determine the theoretical yield of ATP from aerobic respiration.

Several molecules are produced as a result of glycolysis.

What is the net production of ATP, pyruvate, and NADH when one molecule of glucose undergoes glycolysis?

• 2 ATP, 2 NADH, and 2 pyruvate

• 4 ATP, 1 NADH, 2 pyruvate

• 4 ATP, 2 NADH, and 4 pyruvate

• 2 ATP, 1 NADH, and 1 pyruvate

In what part of the cell does glycolysis take place?

• Cytoplasm

• Mitochondria

• Chloroplast

• Nucleus

Which of the following statements is true regarding glycolysis?

• Glycolysis can occur without the presence of oxygen

• Glycolysis takes place in the mitochondria of a cell

• Glycolysis is the final step in aerobic respiration

• Glycolysis produces a net of 1 ATP, 1 NADH, and 2 pyruvate

After glycolysis, pyruvate is oxidized to produce carbon dioxide, NADH, and a molecule that contains 2 of the 3 carbons from the pyruvate.

Which product of pyruvate oxidation enters the Krebs cycle?

• Carbon dioxide

• Acetyl-CoA

• NADH

• Glucose

In what part of the cell does the Krebs cycle take place?

• Cytosol

• Matrix of the mitochondria

• Cristae of mitochondria

• Outer membrane of mitochondria