1. Which is the correct equation for aerobic respiration in humans?

Select one:

a. glucose + oxygen → carbon dioxide

b. carbon dioxide + water → glucose + oxygen

c. glucose → carbon dioxide + water

d. glucose + oxygen → carbon dioxide + water

2. Why does ADP have less potential energy than ATP?

Select one:

a. Because ATP has adenine in it.

b. Because ADP has only two phosphate groups.

c. Because ATP has ribose as a sugar.

d. Because ADP has only one phosphate group.

3. Which of the following correctly orders the 4 stages of cellular respiration?

Select one:

a. Oxidative phosphorylation, pyruvate oxidation, glycolysis, the citric acid cycle

b. Glycolysis, pyruvate oxidation, the citric acid cycle, oxidative phosphorylation

c. The citric acid cycle, pyruvate oxidation, oxidative phosphorylation, glycolysis

d. Oxidative phosphorylation, the citric acid cycle, pyruvate oxidation, glycolysis

e. Glycolysis, the citric acid cycle, pyruvate oxidation, oxidative phosphorylation

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

Select one:

a. ATP

b. oxygen

c. ADP

d. glucose

5. Organic molecules store _________energy in their ______________bonds.

Select one:

a. kinetic; covalent

b. kinetic; hydrogen

c. kinetic; ionic

d. potential; ionic

e. potential; covalent

6. You have entered a 5K race. As you finish the last 500 yards, your body has converted _________________ energy to _________________ energy with the loss of _________________.

Select one:

a. chemical potential; kinetic; heat

b. heat; chemical potential; kinetic energy

c. chemical potential; heat; kinetic energy

d. kinetic; chemical potential; heat

e. heat; kinetic; chemical potential energy

7. Weak covalent bonds, such as ones in carbohydrates and lipids, have:

Select one:

a. a lot of kinetic energy.

b. no potential or kinetic energy.

c. little kinetic energy.

d. a lot of potential energy.

e. little potential energy.

8. Cellular respiration occurs in:

Select one:

a. Animals and bacteria only

b. Animals, plants, and bacteria.

c. Bacteria only

d. Plants only

e. Animals only

9. What glycolysis product is transported into the mitochondria?

Select one:

a. glucose

b. pyruvate

c. NADP

d. ATP

10. Cellular respiration releases energy. In cellular respiration:

Select one:

a. chemical potential energy in the bonds of ADP is transferred to the chemical potential energy in the bonds of ATP.

b. the chemical potential energy stored in ATP is used to create complex carbohydrates.

c. organic molecules such as carbohydrates are converted to chemical energy that can be used to do the work of the cell.

d. the chemical potential energy stored in organic molecules is converted to chemical energy that can be used to do the work of the cell.