Ch 6: Aerobic and Anaerobic respiration
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Questions and Answers

Where does aerobic respiration primarily occur?

  • Endoplasmic Reticulum
  • Cytoplasm
  • Mitochondria (correct)
  • Nucleus
  • What are the end products of anaerobic respiration in animals?

  • Ethanol and carbon dioxide
  • Lactic acid (correct)
  • Carbon dioxide and water
  • Oxygen gas
  • How many ATP molecules are typically generated per glucose molecule in aerobic respiration?

  • 8
  • 38 (correct)
  • 50
  • 12
  • Which investigation focuses on determining if oxygen is necessary for respiration?

    <p>Oxygen Requirement in Respiration</p> Signup and view all the answers

    What is the main product of anaerobic respiration in yeast?

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

    Where does anaerobic glycolysis primarily take place?

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

    Why is a CO2 indicator used in the 'Oxygen Requirement in Respiration' investigation?

    <p>To detect carbon dioxide production</p> Signup and view all the answers

    What makes aerobic respiration yield significantly more ATP than anaerobic respiration?

    <p>The involvement of oxygen in the electron transport chain</p> Signup and view all the answers

    What is the main byproduct of anaerobic respiration in muscle cells during exercise?

    <p>Lactic Acid</p> Signup and view all the answers

    Which process allows glycolysis to continue during anaerobic respiration by regenerating NAD+?

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

    What is the potential consequence of the accumulation of lactic acid in muscles?

    <p>Muscle fatigue</p> Signup and view all the answers

    In brewing beer, which compound is produced during anaerobic fermentation by yeast?

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

    What is the main role of carbon dioxide in bread-making when yeast ferments sugars anaerobically?

    <p>Create carbonation</p> Signup and view all the answers

    Which type of respiration requires oxygen for the breakdown of glucose?

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

    The switch from aerobic to anaerobic respiration in muscle cells occurs when?

    <p>During intense exercise</p> Signup and view all the answers

    What is produced when muscle cells switch from aerobic to anaerobic respiration during intense exercise?

    <p>Lactic acid</p> Signup and view all the answers

    Which compound is crucial for the alcohol content and carbonation of beer produced through anaerobic fermentation?

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

    In which industry does anaerobic respiration play a significant role in the production process?

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

    What is the primary reason for the production of lactic acid in muscle cells during intense exercise?

    <p>To regenerate NAD+ for glycolysis</p> Signup and view all the answers

    What major impact can the accumulation of lactic acid in muscles have during intense exercise?

    <p>Muscle fatigue and soreness</p> Signup and view all the answers

    Which process allows dough to rise and creates the soft, spongy texture of bread during baking?

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

    What distinguishes aerobic respiration from anaerobic respiration in terms of oxygen requirement?

    <p>Aerobic requires oxygen, anaerobic does not</p> Signup and view all the answers

    Where does aerobic respiration occur within the cell?

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

    What is the main byproduct of anaerobic respiration in animals?

    <p>Lactic Acid</p> Signup and view all the answers

    Which investigation focuses on verifying CO2 production during respiration?

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

    In aerobic respiration, what is the approximate ATP yield per glucose molecule?

    <p>38 ATP</p> Signup and view all the answers

    What is the end product of anaerobic respiration in yeast?

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

    Which process primarily occurs in the cytoplasm of the cell?

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

    What is the purpose of using a CO2 indicator in the 'CO2 Production During Respiration' investigation?

    <p>To confirm CO2 release</p> Signup and view all the answers

    What is the primary outcome of the 'Oxygen Requirement in Respiration' investigation?

    <p>Consumption of Oxygen and CO2 Production</p> Signup and view all the answers

    What impact can the accumulation of lactic acid have on muscle cells during intense exercise?

    <p>Lead to muscle fatigue and soreness</p> Signup and view all the answers

    What is the primary function of lactic acid formation in the context of anaerobic respiration?

    <p>Regenerate NAD+ for glycolysis</p> Signup and view all the answers

    In aerobic respiration, what is the role of oxygen?

    <p>To accept electrons at the end of the electron transport chain</p> Signup and view all the answers

    What is the purpose of ethanol production in yeast during anaerobic respiration in beer brewing?

    <p>To enhance beer carbonation</p> Signup and view all the answers

    Why is anaerobic respiration essential for the soft and spongy texture of bread?

    <p>To cause dough to rise through CO2 production</p> Signup and view all the answers

    Which cells primarily rely on anaerobic respiration during intense exercise?

    <p>Muscle cells</p> Signup and view all the answers

    What distinguishes the metabolic fate of glucose in muscle cells during anaerobic respiration?

    <p>Formation of lactic acid</p> Signup and view all the answers

    What distinguishes the location of anaerobic respiration from aerobic respiration?

    <p>Anaerobic respiration occurs in the cytoplasm, while aerobic respiration occurs in mitochondria.</p> Signup and view all the answers

    Which investigation uses a CO2 indicator as a vital part of its method?

    <p>CO2 Production During Respiration</p> Signup and view all the answers

    What is the primary end product of anaerobic respiration in animals?

    <p>Lactic acid only</p> Signup and view all the answers

    In which environment does the 'Oxygen Requirement in Respiration' investigation direct seeding to be placed?

    <p>In a sealed container with a substance to absorb CO2</p> Signup and view all the answers

    What is the expected outcome of the setup with live seeds in the 'Oxygen Requirement in Respiration' investigation?

    <p>Production of carbon dioxide</p> Signup and view all the answers

    What purpose does a clear lime water solution serve in the 'CO2 Production During Respiration' investigation?

    <p>To indicate the presence of CO2</p> Signup and view all the answers

    How many ATP molecules does anaerobic respiration typically yield per glucose molecule?

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

    Which organisms are placed in a closed environment for the 'CO2 Production During Respiration' investigation?

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

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