Ch. 9 Review bio2
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Ch. 9 Review bio2 Presentation Transcript

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