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Which molecule is produced as a byproduct of the light-dependent reactions?

Practice Questions

Q1
Which molecule is produced as a byproduct of the light-dependent reactions?
  1. Glucose
  2. Oxygen
  3. NADPH
  4. ATP

Questions & Step-by-Step Solutions

Which molecule is produced as a byproduct of the light-dependent reactions?
Correct Answer: Oxygen
  • Step 1: Understand that light-dependent reactions occur in the chloroplasts of plant cells.
  • Step 2: Know that these reactions require sunlight to take place.
  • Step 3: Learn that during these reactions, water molecules (H2O) are split apart.
  • Step 4: Recognize that when water is split, it releases oxygen (O2) as a byproduct.
  • Step 5: Conclude that the molecule produced as a byproduct of the light-dependent reactions is oxygen.
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