Cell Respiration

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  • 1/16 Questions

    Which one of the following is true?

    • Cellular respiration occurs in mitochondria and in chloroplasts.
    • Photosynthesis occurs in chloroplasts and cellular respiration occurs in mitochondria.
    • Photosynthesis occurs in mitochondria and in chloroplasts.
    • Photosynthesis occurs in mitochondria and cellular respiration occurs in chloroplasts.
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  • 2. 
    The graph below shows the amount of ATP produced in a cell during a period of time. According to the graph, which of the following processes must have increased from point A to point B? - ProProfs

    The graph below shows the amount of ATP produced in a cell during a period of time. According to the graph, which of the following processes must have increased from point A to point B?

    • DNA synthesis

    • Mitosis

    • Cell respiration

    • Hybernation

    Correct Answer
    A. Cell respiration
  • 3. 

    How do cells capture the energy released by cellular respiration?

    • They store it in molecules of carbon dioxide

    • They produce glucose

    • The energy is coupled to oxygen

    • They produce ATP

    Correct Answer
    A. They produce ATP
  • 4. 

    Muscle soreness associated with strenuous exercise is at least partly due to:

    • The presence of lactic acid produced during fermentation in muscle cells.

    • The large amount of carbon dioxide that builds up in the muscle.

    • The accumulation of alcohol from anaerobic respiration

    • An excess of ATP that builds up during vigorous exercise.

    Correct Answer
    A. The presence of lactic acid produced during fermentation in muscle cells.
  • 5. 

    Which of the following are products of cellular respiration?

    • ATP, carbon dioxide and water

    • Glucose and carbon dioxide and water

    • Oxygen, ATP and glucose

    • Oxygen, ATP and water

    Correct Answer
    A. ATP, carbon dioxide and water
  • 6. 

    The process of aerobic cellular respiration occurs in:

    • Animals, only

    • Plants, only

    • Both plants and animals

    • Neither plants nor animals

    Correct Answer
    A. Both plants and animals
  • 7. 

    Which of the following statements is false?

    • Cell respiration produces carbon dioxide

    • Cell respiration is a single chemical reaction with just one step.

    • Cell respiration releases heat.

    • Cell respiration consumes glucose.

    Correct Answer
    A. Cell respiration is a single chemical reaction with just one step.
    Explanation
    Cell respiration is a MANY step process. (In addition to the main steps: Glycolysis, Krebs Cycle and Electron Transport Chain), their are many sub-steps. (Clue: It is called the Krebs CYCLE - - it is a many stepped process).

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  • 8. 

    Respiration ____________, and cellular respiration _______.

    • Used glucose .......produces glucose

    • Produces glucose ...... produces oxygen

    • Is gas exchange ........ produces ATP

    • Produces ATP .... is gas exchange.

    Correct Answer
    A. Is gas exchange ........ produces ATP
  • 9. 

    Cyanide is a powerful poison because it inhibits an enzyme in mitochondria, preventing the transfer of energy during one of the steps of cellular respiration. This poison would directly effect the production of which of the following molecules?

    • ATP

    • Glucose

    • Oxygen

    • DNA

    Correct Answer
    A. ATP
  • 10. 

    Which of the following processes produces the most ATP per molecule of glucose oxidized (bonds broken)?

    • Anaerobic respiration

    • Alcoholic fermentation

    • Lactic acid fermentation

    • Aerobic respiration

    Correct Answer
    A. Aerobic respiration
    Explanation
    Aerobic: Glycolysis (2 ATP) + Krebs (aka Citric acid) (2ATP) + Electron Transport Chain (32ATP)
    Anaerobic (Lactic or alcoholic fermentation): Glycolysis (2ATP) + Fermentation (0 ATP-- performed to empty NADH carrier of hydrogen onto either Lactic acid or alcohol)

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  • 11. 

    A drug is tested in a lab and is found to create holes in both mitochondrial membranes. Scientists suspect that the drug will be harmful to human cells because it will inhibit:

    • Glycolysis

    • The citric acid cycle.

    • The formation of alcohol.

    • Calvin cycle.

    Correct Answer
    A. The citric acid cycle.
    Explanation
    It will not inhibit glycolysis, since that takes place in the cytoplasm (not mitochondria).
    The citric acid cycle is another name for Krebs cycle. Krebs and Electron Transport chain take place in the mitochondria.
    Alcohol would be formed during fermentation (to empty the carrier NADH of its hydrogen and electrons - producing NAD+. This occurs in anaerobic respiration after glycolysis (so, in the cytoplasm).
    Calvin cycle is in photosynthesis (in chloroplasts).

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  • 12. 

    Which one of the following metabolic pathways is common in aerobic and anaerobic organisms?

    • Electron Transport Chain

    • Citric Acid Cycle

    • Krebs Cycle

    • Glycolysis

    Correct Answer
    A. Glycolysis
    Explanation
    Krebs is the same as Citric acid cycle and is performed in the mitochondria. It is part of Aerobic respiration.
    Electron Transport chain is performed in the mitochondria. It is part of Aerobic respiration.

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  • 13. 

    The ultimate source of all the food we eat and the oxygen we breathe is:

    • Photosynthesis

    • Anaerobic metabolism

    • Glycolysis

    • Cell respiration,

    Correct Answer
    A. Photosynthesis
  • 14. 

    Which statement best describes the role of photosynthesis and cell respiration in the carbon cycle?

    • Cell respiration and photosynthesis both add carbon into the atmosphere.

    • Cell respiration and photosynthesis both remove carbon from the atmosphere.

    • Cell respiration adds carbon into the atmosphere and photosynthesis removes carbon from the atmosphere.

    • Photosynthesis adds carbon into the atmosphere and cell respiration removes carbon from the atmosphere.

    Correct Answer
    A. Cell respiration adds carbon into the atmosphere and photosynthesis removes carbon from the atmosphere.
    Explanation
    Carbon cycle: CO2 is added to the atmosphere from cell respiration (it is the product) and is removed from the atmosphere and use (as a reactance) for photosynthesis

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  • 15. 

    Which of the following ways are cell respiration and photosynthesis alike?

    • Both processes produce glucose.

    • Both processes consume glucose.

    • Both processes involve energy transformation

    • Both processes take place in the mitochondria.

    Correct Answer
    A. Both processes involve energy transformation
  • 16. 

    In the electron transport chain, the final electron acceptor is:

    • A molecule of water.

    • A molecule of carbon dioxide.

    • ADP

    • An oxygen atom.

    Correct Answer
    A. An oxygen atom.
    Explanation
    Oxygen is the final electron acceptor (and FORMS water!)

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Quiz Review Timeline (Updated): Mar 19, 2022 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 19, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 20, 2014
    Quiz Created by
    Kwchiro
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