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Home Microbiology Energy Release and Conservation Comments

  • Question
  • The number of ATP molecules produced from one glucose molecule by a bacterium producing lactic acid is


  • Options
  • A. greater than producing ethanol
  • B. lesser than producing ethanol
  • C. approximately equal to producing ethanol
  • D. none of these

  • Correct Answer
  • approximately equal to producing ethanol 


  • Energy Release and Conservation problems


    Search Results


    • 1. The enzymes for glycolysis are located

    • Options
    • A. on the inner surface of the cell membrane
    • B. on the inner membrane of the mitochondrion
    • C. on the outer membrane of the chloroplast
    • D. in the cytoplasm
    • Discuss
    • 2. Most bacterial fermentations yield how many net ATP molecules per molecule of glucose?

    • Options
    • A. 1
    • B. 2
    • C. 4
    • D. 6
    • Discuss
    • 3. A yeast or fungal cell produces how many net ATP molecules per molecule of glucose when completely oxidized?

    • Options
    • A. 32
    • B. 34
    • C. 36
    • D. 38
    • Discuss
    • 4. For each pair of electrons passing from NADH located inside the mitochondria to oxygen, how many ATP molecules can be generated?

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 5. Which one of the following is not produced in any of the steps of glycolysis?

    • Options
    • A. NAD+
    • B. NADH
    • C. ADP
    • D. ATP
    • Discuss
    • 6. In glycolysis, ATP is created by

    • Options
    • A. photophosphorylation
    • B. the chemiosmotic mechanism
    • C. substrate level phosphorylation
    • D. the pentose phosphate pathway
    • Discuss
    • 7. How many molecules of carbon dioxide will be given off during ten turns of the Krebs cycle?

    • Options
    • A. 10
    • B. 20
    • C. 30
    • D. 40
    • Discuss
    • 8. The enzymes that catalyze the reactions of the Krebs cycle are found in which subcellular organelle of eukaryotes?

    • Options
    • A. Mitochondrion
    • B. Chloroplast
    • C. Ribosome
    • D. Endoplasmic reticulum
    • Discuss
    • 9. Which of the following best explains about the usefulness of the production of ethanol in yeast cells under anaerobic conditions?

    • Options
    • A. Ethanol keeps the electron transport system functioning
    • B. Yeast would be unable to activate the enzymes of the Krebs cycle without ethanol
    • C. The process generates oxygen, which is required for glycolysis
    • D. The process regenerates NAD+, which is required for glycolysis
    • Discuss
    • 10. Which of the following is the most complete definition of fermentation?

    • Options
    • A. Oxidation of glucose with organic molecules serving as electron acceptors
    • B. Complete catabolism of glucose to CO2 and HO2
    • C. Production of energy by substrate-level phosphorylation
    • D. Production of ethyl alcohol from glucose
    • Discuss


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