Which of the following statements about the light-dependent reactions is true?

Practice Questions

Q1
Which of the following statements about the light-dependent reactions is true?
  1. They occur in the stroma
  2. They produce ATP and NADPH
  3. They do not require light
  4. They fix carbon dioxide

Questions & Step-by-Step Solutions

Which of the following statements about the light-dependent reactions is true?
Correct Answer: The light-dependent reactions produce ATP and NADPH.
  • Step 1: Understand that light-dependent reactions occur in the thylakoid membranes of chloroplasts.
  • Step 2: Know that these reactions require sunlight to take place.
  • Step 3: Recognize that during these reactions, light energy is converted into chemical energy.
  • Step 4: Identify that ATP (adenosine triphosphate) is produced as an energy carrier.
  • Step 5: Acknowledge that NADPH (nicotinamide adenine dinucleotide phosphate) is also produced, which is used in the next stage of photosynthesis.
  • Step 6: Conclude that the statement 'The light-dependent reactions produce ATP and NADPH' is true.
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