Photosynthesis: Light Reaction and Calvin Cycle
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Questions and Answers

What is the main function of the light reaction in photosynthesis?

  • To generate ATP and NADPH
  • To convert carbon dioxide into glucose
  • To capture light energy and convert it into chemical energy (correct)
  • To produce oxygen as a byproduct

What is the role of ATP in the Calvin cycle?

  • To act as a catalyst for the reaction
  • To provide energy for the synthesis of sugar (correct)
  • To provide electrons for the reduction of carbon dioxide
  • To transport carbon dioxide to the Calvin cycle

Which of the following statements accurately describes the relationship between the light reaction and the Calvin cycle?

  • The light reaction and the Calvin cycle occur independently of each other
  • The Calvin cycle is the first stage of photosynthesis, followed by the light reaction
  • The light reaction provides the products (ATP and NADPH) that are used in the Calvin cycle (correct)
  • The Calvin cycle provides the energy needed for the light reaction

What is the primary product of the Calvin cycle?

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

Flashcards

Light Reaction

Converts solar energy into chemical energy, producing ATP & NADPH.

ATP Production

Adenosine triphosphate (ATP) is generated in the light reaction for energy.

NADPH Production

NADPH is produced in the light reaction to provide electrons.

Calvin Cycle

Uses ATP and NADPH from light reactions to convert CO2 into sugar.

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Sugar Synthesis

The process of making glucose from carbon dioxide in the Calvin Cycle.

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Study Notes

Light Reaction

  • Converts solar energy to chemical energy
  • Produces ATP and NADPH

Calvin Cycle

  • Produces sugar from carbon dioxide
  • Uses ATP from light reactions for sugar synthesis
  • Uses NADPH from light reactions to reduce carbon dioxide to glucose

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Description

This quiz explores the two main stages of photosynthesis: the light reactions and the Calvin Cycle. Understand how solar energy is converted into chemical energy, as well as how glucose is synthesized from carbon dioxide. Test your knowledge on ATP, NADPH, and their roles in these vital processes.

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