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 (A)</p> Signup and view all the answers

What is the waste byproduct produced during aerobic respiration?

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

What happens when yeast cells take up simple sugar?

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

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

<p>The flour enzyme (B)</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 (D)</p> Signup and view all the answers

What does yeast do to the complex sugar during fermentation?

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

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