Respiration
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Questions and Answers

Which process releases energy by breaking down glucose molecules inside cells?

  • Glycolysis
  • Aerobic respiration (correct)
  • Anaerobic respiration
  • Krebs cycle
  • What is the waste byproduct produced during anaerobic respiration in muscles?

  • Oxygen
  • Lactic acid (correct)
  • Glucose
  • Carbon dioxide
  • What is the primary difference between aerobic and anaerobic respiration?

  • The production of lactic acid
  • The presence or absence of oxygen (correct)
  • The breakdown of glucose molecules
  • The release of energy
  • Which type of respiration occurs during vigorous exercises in muscles?

    <p>Anaerobic respiration</p> Signup and view all the answers

    What is the waste byproduct produced during aerobic respiration?

    <p>Carbon dioxide</p> Signup and view all the answers

    Which of the following is NOT a purpose of yeast in fermentation?

    <p>Converting simple sugar into alcohol</p> Signup and view all the answers

    What happens when yeast cells take up simple sugar?

    <p>They convert it into alcohol</p> Signup and view all the answers

    Which enzyme found in yeast and flour converts soluble starch into malt sugar?

    <p>The flour enzyme</p> Signup and view all the answers

    What is the role of soluble protein and sugar in fermentation?

    <p>They provide food for yeast cells</p> Signup and view all the answers

    What does yeast do to the complex sugar during fermentation?

    <p>Converts it into simple sugar</p> Signup and view all the answers

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