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Ch. 9 Review bio2


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Ch. 9 Review bio2

  1. 1. 1. What is the summary equation of cellular respiration? <ul><li>A. 6C0₂ + 6H₂O + Light energy -> C ₆H₁₂O₆ + 60₂ </li></ul><ul><li>B. C ₆H₁₂O₆ + 0₂ -> 6C0₂ + 2H₂O + Light Energy </li></ul><ul><li>C. C ₆H₁₂O₆ + 60₂ -> 6C0₂ + 6H₂O + Energy (ATP + heat) </li></ul><ul><li>D. 6C0₂ + 6H₂O -> C ₆H₁₂O₆ + 60₂ + Energy (ATP + heat) </li></ul><ul><li>E. C ₆H₁₂O₆ + 30₂ -> C0₂ + 3H₂O + Energy (ATP + heat) </li></ul>
  2. 2. 2. What is the net energy yield for glycolysis per glucose molecule? <ul><li>A. 4 ATP + 4 NADH </li></ul><ul><li>B. 2 ATP + 2 NADH </li></ul><ul><li>C. 2 ATP + 3 NADH </li></ul><ul><li>D. 3 ATP + 2 NADH </li></ul><ul><li>E. ATP + NADH </li></ul>
  3. 3. 3. Which letter in the diagram represent the Krebs Cycle? <ul><li>A. A </li></ul><ul><li>B. B </li></ul><ul><li>C. C </li></ul><ul><li>D. None of them </li></ul>
  4. 4. 4. What is the overall function of the process of cellular respiration? <ul><li>Making energy for the body to use </li></ul><ul><li>Converting glucose into ATP for use in cellular activities </li></ul><ul><li>To recycle ATP </li></ul><ul><li>To make “food” for the cell </li></ul><ul><li>Ridding the cell of toxic waste products </li></ul>
  5. 5. 5. In cellular respiration ___ is consumed while ___ is produced as a waste product. <ul><li>CO₂ … O₂ </li></ul><ul><li>H₂O … CO₂ </li></ul><ul><li>O₂ … ATP </li></ul><ul><li>C ₆H₁₂O₆ … CO₂ </li></ul><ul><li>None of the above are correct </li></ul>
  6. 6. 6. Which of the following is true concerning the shuttling of electrons to different molecules in redox reactions? <ul><li>FADH 2 is always oxidized first. </li></ul><ul><li>Electrons are carried by NADH + . </li></ul><ul><li>NADH can pick up electrons. </li></ul><ul><li>ATP synthase removes H₂. </li></ul><ul><li>Electrons are added to NAD + . Then NAD + carries the electrons to another electron acceptor. </li></ul>
  7. 7. 7. Name and explain the purpose of the function of the diagram below. <ul><li>Glycolysis; to make pyruvate for Krebs cycle </li></ul><ul><li>Cellular respiration; to turn glucose into ATP for cellular use </li></ul><ul><li>Alcohol fermentation; to convert pyruvate into ethanol to regenerate supply of NAD + </li></ul><ul><li>Lactic acid fermentation; to make pyruvate for Krebs cycle </li></ul><ul><li>Lactic acid fermentation; to convert pyruvate to lactase to regenerate supply of NAD + </li></ul>
  8. 8. 8. The key difference between cellular respiration and fermentation is ___ <ul><li>cellular respiration makes ATP while fermentation uses ATP. </li></ul><ul><li>fermentation requires O₂ while cellular respiration does not. </li></ul><ul><li>fermentation is a catabolic pathway while cellular respiration is not. </li></ul><ul><li>cellular respiration breaks down sugars while fermentation does not </li></ul><ul><li>cellular respiration requires O₂ to break down sugars while fermentation does not. </li></ul>
  9. 9. 9. Glucose is completely broken down in glycolysis and the Krebs cycle, but these two processes make little ATP. Where is the rest of the energy that cells obtain from glucose? <ul><li>in FAD and NAD + </li></ul><ul><li>lost as heat </li></ul><ul><li>in the CO₂ molecules released by the processes </li></ul><ul><li>in the oxygen used in the electron transport chain </li></ul><ul><li>in NADH and FADH 2 </li></ul>
  10. 10. 10. The net gain of ATP from each glucose molecule that goes through cellular respiration is about ___. <ul><li>23 ATP </li></ul><ul><li>38 ATP </li></ul><ul><li>32 ATP </li></ul><ul><li>19 ATP </li></ul><ul><li>20 ATP </li></ul>
  11. 11. 11. Pyruvate is converted to lactate through the process called ___. <ul><li>lactic acid fermentation </li></ul><ul><li>ATP synthesis </li></ul><ul><li>glycolysis </li></ul><ul><li>chemiosmotic theory </li></ul><ul><li>alcohol fermentation </li></ul>
  12. 12. 12. It is possible to lose ___ to ___ ATP during transport of electrons NADH in cytosol. <ul><li>0 … 2 </li></ul><ul><li>1 … 2 </li></ul><ul><li>0 … 1 </li></ul><ul><li>1 … 3 </li></ul><ul><li>0 … 3 </li></ul>
  13. 13. 13. In eukaryotes, in what organelle membrane is the electron transport membrane embedded? <ul><li>Smooth ER </li></ul><ul><li>Cell membrane </li></ul><ul><li>Rough ER </li></ul><ul><li>Golgi apparatus </li></ul><ul><li>None of the above </li></ul>
  14. 14. 14. In what process that occurs in cellular respiration is a net of 2 ATPs produced? <ul><li>Glycolysis </li></ul><ul><li>Krebs cycle </li></ul><ul><li>Electron transport chain and oxidative phosphorylation </li></ul><ul><li>Both A and B </li></ul><ul><li>Both A and C </li></ul>
  15. 15. 15. Most of the ATP gained in cellular respiration comes from ___. <ul><li>glycolysis </li></ul><ul><li>Krebs cycle </li></ul><ul><li>fermentation </li></ul><ul><li>chemiosmosis </li></ul><ul><li>None of the above </li></ul>
  16. 16. 16. Which of the following pathways is found in all organisms? <ul><li>Krebs cycle </li></ul><ul><li>Cellular respiration </li></ul><ul><li>Fermentation </li></ul><ul><li>Glycolysis </li></ul><ul><li>Electron transport chain </li></ul>
  17. 17. 17. ___ is the main hydrogen-atom-carrier molecule in cells. <ul><li>Cyclic AMP </li></ul><ul><li>ATP </li></ul><ul><li>P i </li></ul><ul><li>FAD </li></ul><ul><li>None of the above </li></ul>
  18. 18. 18. ___ are produced as waste, when protein is used as fuel for cellular respiration. <ul><li>Ethanol and CO₂ </li></ul><ul><li>Amino acids </li></ul><ul><li>Sugar molecules </li></ul><ul><li>Lactate and CO₂ </li></ul><ul><li>Fatty acids </li></ul>
  19. 19. 19. Fill in the labeled part of the diagram. <ul><li>Citrate </li></ul><ul><li>Glucose </li></ul><ul><li>ATP </li></ul><ul><li>Pyruvate </li></ul><ul><li>Acetaldehyde </li></ul>
  20. 20. 20. The overall efficiency of respiration is about _____. <ul><li>86% </li></ul><ul><li>40% </li></ul><ul><li>50% </li></ul><ul><li>42% </li></ul><ul><li>38% </li></ul>
  21. 21. Answers Page <ul><li>1. C </li></ul><ul><li>2. B </li></ul><ul><li>3. B </li></ul><ul><li>4. B </li></ul><ul><li>5. D </li></ul><ul><li>6. E </li></ul><ul><li>7. C </li></ul><ul><li>8. E </li></ul><ul><li>9. E </li></ul><ul><li>10. B </li></ul><ul><li>11. A </li></ul><ul><li>12. A </li></ul><ul><li>13. E </li></ul><ul><li>14. C </li></ul><ul><li>15. D </li></ul><ul><li>16. D </li></ul><ul><li>17. D </li></ul><ul><li>18. B </li></ul><ul><li>19. A </li></ul><ul><li>20. B </li></ul>