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Home ‣ Biochemistry ‣ Oxidative Phosphorylation Comments
  • Question

  • The carbon dioxide is primary a product of


  • Options
  • A. Krebs cycle
  • B. glycolysis
  • C. electron transport phosphorylation.
  • D. lactate fermentation.

  • Correct Answer
  • Krebs cycle 

    • Oxidative Phosphorylation problems

    Search Results

    • 1. During glycolysis, electrons removed from glucose are passed to

    • Options
    • A. FAD
    • B. NAD+
    • C. acetyl CoA
    • D. pyruvic acid
      • Discuss
    • 2. The aerobic breakdown of glucose known as respiration involves

    • Options
    • A. electron transport phosphorylation
    • B. glycolysis
    • C. Krebs Cycle
    • D. all of the above
      • Discuss
    • 3. Lactic acid is produced by human muscles during strenuous exercise because of lack of

    • Options
    • A. oxygen
    • B. NAD+
    • C. glucose
    • D. ADP and Pi
      • Discuss
    • 4. A biological redox reaction always involves

    • Options
    • A. an oxidizing agent
    • B. a gain of electrons
    • C. a reducing agent
    • D. all of these
      • Discuss
    • 5. Coenzyme Q is involved in electron transport as

    • Options
    • A. directly to O2
    • B. a water-soluble electron donor
    • C. covalently attached cytochrome cofactor
    • D. a lipid-soluble electron carrier
      • Discuss
    • 6. The complete oxidation of glucose yields usable energy in the form of

    • Options
    • A. FADH2
    • B. coenzyme A
    • C. ATP
    • D. pyruvic acid
      • Discuss
    • 7. FAD is reduced to FADH2 during

    • Options
    • A. electron transport phosphorylation
    • B. lactate fermentation
    • C. Krebs cycle
    • D. glycolysis
      • Discuss
    • 8. Which of the following is correct sequence of processes in the oxidation of glucose?

    • Options
    • A. Krebs cycle - glycolysis - electron transport
    • B. Glycolysis - Krebs cycle - eletron transport
    • C. Electron transport - Krebs cycle - glycolysis
    • D. Krebs cycle - electron transport - glycolysis
      • Discuss
    • 9. In electron transport, electrons ultimately pass to

    • Options
    • A. ADP
    • B. cytochrome b
    • C. oxygen
    • D. none of these
      • Discuss
    • 10. During electron transport, protons are pumped out of the mitochondrion at each of the major sites except for

    • Options
    • A. complex I
    • B. complex II
    • C. complex III
    • D. complex IV
      • Discuss

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