What is the role of ATP and NADPH produced in the light reactions?

Practice Questions

Q1
What is the role of ATP and NADPH produced in the light reactions?
  1. To provide energy and reducing power for the Calvin cycle
  2. To produce glucose directly
  3. To transport water
  4. To release oxygen

Questions & Step-by-Step Solutions

What is the role of ATP and NADPH produced in the light reactions?
Correct Answer: ATP and NADPH are essential for the Calvin cycle.
  • Step 1: Understand that ATP and NADPH are produced during the light reactions of photosynthesis.
  • Step 2: Know that ATP is a molecule that stores energy, like a battery.
  • Step 3: Recognize that NADPH is a molecule that carries electrons, which helps in chemical reactions.
  • Step 4: Learn that the Calvin cycle is the next stage of photosynthesis where plants make sugar.
  • Step 5: Realize that ATP provides the energy needed to drive the reactions in the Calvin cycle.
  • Step 6: Understand that NADPH provides the reducing power, which means it helps to convert carbon dioxide into sugar.
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