Cellular Respiration Process Overview
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Questions and Answers

What is the primary function of cellular respiration?

  • To synthesize new glucose molecules from carbon dioxide and water
  • To break down glucose and store the energy in ATP
  • To produce water and carbon dioxide as waste products
  • To provide energy for cellular activities through the breakdown of organic substances (correct)

    • Which of the following statements about the three stages of cellular respiration is false?

  • Glycolysis occurs in the cytoplasm of cells and can happen with or without the presence of oxygen
  • The Krebs cycle takes place in the mitochondria and produces a small amount of ATP
  • The electron transport chain is the final stage of cellular respiration and produces the majority of the cell's ATP
  • The overall reaction of cellular respiration is $C_6H_{12}O_6 + 6O_2 ightarrow 6CO_2 + 6H_2O$ (correct)

    • Which of the following is the main source of energy for the body?

  • Adenosine triphosphate (ATP) (correct)
  • Oxygen
  • Carbon dioxide
  • Glucose

    • Which of the following statements about the relationship between aerobic and anaerobic respiration is correct?

    <p>Aerobic respiration is more efficient than anaerobic respiration, but anaerobic respiration can occur under certain conditions</p> Signup and view all the answers

    What is the primary purpose of the glycolysis stage of cellular respiration?

    <p>To capture the energy released during the breakdown of glucose in the form of ATP</p> Signup and view all the answers

    In which cellular compartment does the Krebs cycle take place in prokaryotes?

    <p>Cytoplasm</p> Signup and view all the answers

    Which of the following is NOT a product of the Krebs cycle?

    <p>4 ATP molecules</p> Signup and view all the answers

    What is the name of the process that occurs before the Krebs cycle, involving the conversion of pyruvate to acetyl CoA?

    <p>Pyruvate oxidation</p> Signup and view all the answers

    How many ATP molecules are produced directly from the Krebs cycle?

    <p>2</p> Signup and view all the answers

    In the electron transport chain, what is the final electron acceptor that combines with electrons to form water?

    <p>Oxygen</p> Signup and view all the answers

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