What is the main energy currency produced during the light reactions?

Practice Questions

Q1
What is the main energy currency produced during the light reactions?
  1. NADPH
  2. FADH2
  3. ATP
  4. Glucose

Questions & Step-by-Step Solutions

What is the main energy currency produced during the light reactions?
Correct Answer: ATP
  • Step 1: Understand that photosynthesis has two main stages: light reactions and dark reactions.
  • Step 2: Know that light reactions occur in the thylakoid membranes of chloroplasts.
  • Step 3: Realize that during light reactions, sunlight is captured by chlorophyll.
  • Step 4: Learn that this captured energy is used to split water molecules, releasing oxygen.
  • Step 5: Understand that the energy from sunlight is also used to convert ADP and inorganic phosphate into ATP.
  • Step 6: Conclude that ATP is the main energy currency produced during the light reactions.
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