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The Calvin Cycle and Light-Independent Reactions Quiz
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The Calvin Cycle and Light-Independent Reactions Quiz

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Questions and Answers

What is the enzyme responsible for catalyzing the fixation of ribulose bisphosphate (RuBP) with carbon dioxide?

  • Phosphoglycerate (PGA)
  • Rubisco (correct)
  • RuBP carboxylase-oxygenase
  • Glyceraldehyde 3-phosphate (G3P)
  • What are the products of the carbon fixation process in the Calvin Cycle?

  • Ribulose bisphosphate (RuBP)
  • Carbon dioxide (CO2)
  • Glyceraldehyde 3-phosphate (G3P)
  • 2 molecules of phosphoglycerate (PGA) (3C) (correct)
  • What is the role of ATP in the Calvin Cycle?

  • Donates one phosphate group to PGA (phosphorylation) (correct)
  • Donates 2 electrons to PGA (reduction)
  • Catalyzes the conversion of RuBP to PGA
  • Participates in the carbon fixation process
  • Which molecule is formed when NADPH donates 2 electrons during the reduction phase of the Calvin Cycle?

    <p>Glyceraldehyde 3-phosphate (G3P)</p> Signup and view all the answers

    What is the primary function of the 12 G3P molecules produced during the Calvin Cycle?

    <p>Regeneration of RuBP</p> Signup and view all the answers

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