Metabolic Reactions and Redox Reactions in Glycolysis Quiz
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Questions and Answers

What are the main products of the reactions catalyzed by carboxylase enzymes?

  • Oxaloacetate and organic electron donors (correct)
  • Organic acids and alcohols
  • Pyruvate and phosphoenolpyruvate
  • CO2 and reducing power

    • What role does the citric acid cycle play in biosynthesis?

  • Oxidizes pyruvate to CO2
  • Draws off key organic compounds for biosynthesis (correct)
  • Produces new cell material during growth
  • Regenerates oxaloacetate for energy needs

    • Why does an organism need the enzyme pyruvate carboxylase to enable growth if pyruvate is its sole source of energy and reducing power?

  • To convert pyruvate into oxaloacetate for regeneration purposes (correct)
  • To produce new cell material during growth
  • To excrete reduced molecules to the environment
  • To achieve redox balance by reducing pyruvate

    • How do microbes that ferment glucose achieve energy conservation?

    <p>By substrate-level phosphorylation</p> Signup and view all the answers

    Why is it not possible for an organism to grow by using only glycolysis?

    <p>Glycolysis alone does not provide sufficient organic compounds for growth</p> Signup and view all the answers

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