Chapter 7: End-Chapter Review Worksheet 1. ATP usage in a cell is analogous to a

Question

Chapter 7: End-Chapter Review Worksheet 1. ATP usage in a cell is analogous to a spring-loaded trap. In this analogy, what aspect of ATP is analogous to loading of the spring? a. the adding of a phosphate to ADP b. the diffusion of ATP throughout the cell c. the removal of a phosphate from ATP 2. What role does oxygen play in the harvesting of energy? a. b. c. It provides the chemical energy to convert ADP to ATP It is the final electron receptor in the process of cellular respiration It is a carrier of electrons from glucose breakdown to the electron transport chain. 3. When a molecule gains electrons, it has been When a molecule loses electrons, it has been a. oxidized; reduced b. reduced; oxidized 4. Which of the following molecules serve as intermediate electron carriers in the process of cellular respirationa a. NAD and FAD molecules b. oxygen molecules c. ADP molecules 5. In aesobic cliudar respiration, in what form is carbon released as waste? a. ATP b. cerln dioxide C. pruvic acld 6. The oxygen that many organisms need to live is used exclusively in which of the following metabolic pathways? a. Krebs cycle b. Glycolysis c. electron transport chain 7. Which of the following is the main ATP-producing pathway during aerobic cellular respiration? a. b. c. Krebs cycle only electron transport chain only glycolysis and fermentation only 8. Which part of cellular respiration takes place in the cytosol? a. the Krebs cycle b. the Krebs cycle and glycolysis c. g?ycolysis 9. In cellular respiration, glucose, oxygen, and water are converted to a. b. c. d. oxygen, water, and light carbon dioxide, starch, and light carbon dioxide, water, and ATP oxygen and ATP 10. Which of the following is NOT an end product of aerobic cellular respiration? a. Oxygen gas b. Water c. Carbon dioxide d. ATP

Explanation / Answer

1) What aspect of ATP is analogous to the loading of the spring?

A) The adding of a phosphate to ADP

2) What role does oxygen play in the harvesting of energy?

B) It is the final electron receptor in the process of cellular respiration

3) When a molecule gains electrons, it has been ______. When a molecule loses electrons, it has been ______

B) Reduced; oxidized

4) Which serves as intermediate electron carriers in the process of cellular respiration?

A) NAD+ and FAD molecules

5) In aerobic cellular respiration, in what form is carbon released as waste?

B) Carbon dioxide

6) The oxygen that organisms need to live is used exclusively in which of the following metabolic pathways?

C) Electron transport chain

7) Which of the following is the main ATP-producing pathway during aerobic cellular respiration?

B) Electron transport chain only

8) Which part of cellular respiration takes place in the cytosol?

C) Glycolysis

9) In cellular respiration, glucose, oxygen and water is converted to

C) Carbon dioxide, water, and ATP

10) Which of the following is not an end product of aerobic cellular respiration?

A) Oxygen gas

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