Bio 100 Cellular respiration practice

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  • 1. Cellular Respiration Practice

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