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Question 2

Question 2. NADH is made during – Glycolysis Pyruvate oxidation Krebs cycle All of the above. Question 3. Most of the ATP made by aerobic respiration is made during – Glycolysis Electron transport chain Pyruvate oxidation Krebs cycle Substrate-level phosphorylation. Question 4.

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Question 2

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  1. Question 2 NADH is made during – Glycolysis Pyruvate oxidation Krebs cycle All of the above

  2. Question 3 Most of the ATP made by aerobic respiration is made during – Glycolysis Electron transport chain Pyruvate oxidation Krebs cycle Substrate-level phosphorylation

  3. Question 4 Glycolysis costs ____ATPs, but makes ___ATPs; thus it has a net yield of ___ATPs. 3, 6, 3 2, 4, 2 2, 2, 0 0, 2, 2 4, 8, 4

  4. Question 5 The 2 carbons in acetyl–CoA are eventually used to form — Glucose ATP Pyruvate Oxaloacetate Carbon dioxide

  5. Question 6 All of the glycolysis reactions do not require oxygen and can take place in an anaerobic environment. This is true This is false

  6. Question 7 What is the function of the coenzymes, NADH and FADH2 ? Charging electrons to power ATP synthase Catalyzing the formation of acetyl-CoA Providing electrons and H+ to the electron transport chain Transporting CO2 into the mitochondria Acting as a terminal electron acceptor

  7. Question 10 Lactic acid fermentation is an anaerobic process? This is true This is false

  8. Question 11 The theoretical ATP yield is 38 for prokaryotes and 36 for eukaryotes. Why is there a difference? 2 ATPs are used during glycolysis for prokaryotes but not eukaryotes The Krebs cycle only occurs in eukaryotes No FADH2 is produced in prokaryotic respiration NADH made during glycolysis must be transported into the mitochondria of eukaryotes.

  9. Question 12 An experimental drug blocks the decarboxylation reactions that convert pyruvate into acetyl-CoA. A cell treated with this drug would not be able to complete glycolysis. This is true This is false

  10. Question 13 When making wine, grape juice and yeast are sealed into a container. Why must the container be air tight? To prevent the buildup of lactic acid Fermentation only occurs in the absence of oxygen Yeast cannot live in aerobic environments To prevent the yeasts from dying To increase the production of acetyl-CoA

  11. Question 14 A cheeseburger contains bread, meat and cheese. Which portion of this meal produces the most ATP per unit of mass? Bread Meat Cheese All are equal

  12. Question 15 Which of the following is classified as an autotroph? Tubercolosisbacterium Coral Asparagus Labrador retriever None of the above

  13. Question 16 What happens to the electron’s energy as it moves through the electron transport chain? The electrons gain energy through each transfer The electrons lose energy through each transfer The energy content is unchanged The energy drops to a different orbital

  14. Question 17 During a heart attack blood flow to the cardiac muscle is restricted. How would this affect cellular respiration? ATP production would be increased ATP production would remain unchanged ATP production would be decreased The cell would switch to alcohol fermentation

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