Bio 100 Cellular respiration practice

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Bio 100 Cellular respiration practice

  1. 1. Cellular Respiration Practice
  2. 2. During cellular respiration, oxidation is the result of the removal of _______ atoms from substrates such as glucose.
  3. 3. Hydrogen
  4. 4. __________ and ________ are thecoenzymes that are present in cellularrespiration.
  5. 5. FAD and NAD+
  6. 6. The prep (transition) reaction takes place in the:
  7. 7. Mitochondrial matrix
  8. 8. In the electron transport chain, _____________ is the terminal electron acceptor.
  9. 9. O2
  10. 10. The total ATP yield of cellular respiration is:
  11. 11. 36 or 38
  12. 12. In terms of its need for oxygen presence or absence, glycolysis is a(n) ________________ series of reactions.
  13. 13. anaerobic
  14. 14. NADH produced during glycolysis is transported and becomes part of which phase of cellular respiration?
  15. 15. Electron transport chain
  16. 16. Which molecules are carrying high-energyelectrons during cellular respiration?
  17. 17. NADH and FADH2
  18. 18. The net production of ATP molecules from glycolysis is:
  19. 19. 2 ATP
  20. 20. Where does the Krebs cycle occur?
  21. 21. Mitochondrial matrix
  22. 22. The coenzymes NADH and FADH2 are carrying what to the electron transport chain?
  23. 23. High energy electrons
  24. 24. After accepting the low energy electrons at the end of the electron transport chain, O 2 reacts to form:
  25. 25. H 2O
  26. 26. Most ATP in eukaryotic cells is produced where?
  27. 27. Mitochondria
  28. 28. Most ATP produced in aerobic respiration occurs during what stage:
  29. 29. Electron transport chain
  30. 30. Which 2 stages of cellular respirationproduce CO2?
  31. 31. Preparatory reaction and Krebs cycle
  32. 32. During cellular respiration, ___________ isoxidized and ___________ is reduced.
  33. 33. Glucose and oxygen
  34. 34. Why would 36 ATP be formed instead of 38 during cellular respiration
  35. 35. 2 ATP will be used to bring NADH into the mitochondria from the cytoplasm
  36. 36. Products of glycolysis include:
  37. 37. NADH, ATP, pyruvate
  38. 38. The final electron acceptor in aerobic respiration is:
  39. 39. Oxygen
  40. 40. Products of the Krebs cycle include:
  41. 41. Carbon dioxide, FADH2, NADH, and ATP
  42. 42. In the presence of oxygen, all cells synthesize ATP via the process of glycolysis. Many cells also can metabolize pyruvate if oxygen is not present, via the process of:
  43. 43. Fermentation
  44. 44. The net result (number of ATP) of the breakdown of glucose in glycolysis and fermentation is the production of:
  45. 45. 2 ATP
  46. 46. How many ATP molecules are producedwhen one FADH2 donates electrons to theETC?
  47. 47. 2
  48. 48. Which stage of aerobic respiration requires ATP?
  49. 49. Glycolysis
  50. 50. The correct order of the phases of cellularrespiration is
  51. 51. Glycolysis, prep reaction, Krebs cycle, ETC
  52. 52. How many ATP molecules are producedwhen one NADH donates electrons to theETC?
  53. 53. 3
  54. 54. Respiration occurs in what organisms?
  55. 55. All organisms
  56. 56. Two possible ways for respiration to occur is:
  57. 57. Fermentation and aerobic
  58. 58. Glucose is converted to pyruvate in
  59. 59. Glycolysis
  60. 60. Two hydrogen carriers involved in aerobic respiration are
  61. 61. NAD+ and FAD
  62. 62. The role of oxygen in aerobic respiration is
  63. 63. Accept electrons at the end of the electron transport chain and form water
  64. 64. What is the net gain in ATP molecules produced during the reactions of glycolysis under anaerobic conditions?
  65. 65. 2 ATP
  66. 66. When a muscle cell is metabolizing glucose in the complete absence of molecular oxygen, which substance is produced?
  67. 67. Lactate
  68. 68. Which part of respiration is common to both anaerobic and aerobic metabolism?
  69. 69. Glycolysis
  70. 70. When glucose is broken down to carbon dioxide and water during aerobic respiration, more than 60% of its energy is released as
  71. 71. Heat
  72. 72. Cellular respiration releases energy by breaking down glucose in the presence of
  73. 73. Oxygen
  74. 74. The products of _________ are 2 ATP, 2 NADH, and 2 pyruvic acid molecules.
  75. 75. Glycolysis
  76. 76. What are the reactants in the equation for cellular respiration?
  77. 77. Glucose and oxygen
  78. 78. During cellular respiration, what 3 parts do require oxygen?
  79. 79. Preparatory stage, Krebs cycle, electron transport chain
  80. 80. Where does glycolysis occur?
  81. 81. Cytoplasm
  82. 82. The starting molecule for glycolysis is
  83. 83. Glucose
  84. 84. What are possible products of fermentation?
  85. 85. CO2, alcohol, lactate
  86. 86. Location of the ETC.
  87. 87. Mitochondrial cristae
  88. 88. During which stage of cellular respiration isno ATP produced?
  89. 89. Preparatory reaction
  90. 90. What two molecules act as an electron carrier in cellular respiration?
  91. 91. NAD+ and FAD
  92. 92. During cellular respiration, which part does not require oxygen?
  93. 93. Glycolysis
  94. 94. The energy of the electrons passing along the electron transport chain is used to make
  95. 95. ATP
  96. 96. Breathing heavily after running a race is your body’s way of
  97. 97. Repaying an oxygen debt

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