Mastering the Carbon Reactions

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Questions and Answers

Which compound is the key molecule involved in photosynthesis in the stroma of the chloroplast?

  • NADPH
  • Ribulose 1, 5 bisphosphate (correct)
  • ATP
  • 3 phosphoglycerate

What is the name of the enzyme that reacts with CO2 with ribulose to form a compound called carboxylation?

  • ATP
  • NADPH
  • Triose phosphates
  • Rubisco (correct)

What is the name of the compound formed from the carboxylation reaction?

  • Rubisco
  • NADPH
  • ATP
  • 3 phosphoglycerate (correct)

Which enzyme is responsible for the first reaction of CO2 in the mesophyll cells of C4 plants?

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

What happens to the malate acid in the bundle sheath cells of C4 plants?

<p>It releases CO2 (B)</p> Signup and view all the answers

Which plants naturally evolve the ability to avoid photorespiration?

<p>C4 plants (A)</p> Signup and view all the answers

What happens to the CO2 in CAM plants during the daytime when the stomata is closed?

<p>CO2 releases malic acid (B)</p> Signup and view all the answers

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