Chapter 22 Crossword

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Across
  1. 8. A by-product of the light reactions.
  2. 11. structures within chloroplasts where light reactions occur.
  3. 12. A series of proteins transferring electrons to produce energy.
  4. 13. The difference in proton concentration across the thylakoid membrane.
  5. 14. The process of ATP synthesis using light energy.
  6. 17. The fluid surrounding thylakoids in chloroplasts.
  7. 19. that play a role in electron transport.
  8. 20. The molecule that captures excited electrons from chlorophyll.
Down
  1. 1. that capture and transfer light energy to photosystems.
  2. 2. The energy state of electrons after absorbing light.
  3. 3. complexes that capture light energy.
  4. 4. A molecule in the electron transport chain of photosynthesis.
  5. 5. The process of converting light energy into chemical energy.
  6. 6. A copper-containing protein that transfers electrons.
  7. 7. The system that oxidizes water to oxygen.
  8. 9. A particle of light.
  9. 10. An electron carrier involved in the light reactions.
  10. 15. The pathway of electron flow in photosynthesis.
  11. 16. The green pigment that absorbs light energy.
  12. 18. Synthase The enzyme that produces ATP during photophosphorylation.