Photophosphorylation

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Across
  1. 3. complex linking PSI and PSII also responsible for driving protons across the plasma membrane
  2. 6. responsible for reducing NADP+ to NADPH
  3. 7. for every _____ photons absorbed, one electron is transferred from H2O to NADP+
  4. 8. about the amount of ATP produced in noncyclic photophosphorylation
  5. 10. element that occupies the central position in a chlorophyll molecule
  6. 11. responsible for driving ATP production
  7. 12. excitation of this photosystem's reaction center drive electrons through the cytochrome b6f complex
  8. 13. complex containing chlorophyll associated with other proteins and membrane
  9. 14. major accessory pigment that absorbs wavelengths chlorophyll cannot absorb
  10. 16. the capture of solar energy by photosynthetic organisms and its conversion to chemical energy
  11. 22. about the amount of NADPH produced in noncyclic photophosphorylation
  12. 23. after the electron passes through the b6f complex, it goes through this protein
  13. 24. this complex is catalyzed by a manganese and calcium containing protein
  14. 25. type of reaction center in bacteria that passes electrons through pheophytin to a quinine
  15. 28. this complex is responsible for passing four electrons one at a time to PSII across the thylakoid membrane
  16. 29. site of photophosphorylation
Down
  1. 1. excitation of this photosystem's reaction center drive electrons to ferrodoxin and produce NADPH
  2. 2. more loosely bound plastoquinone
  3. 3. reaction occurs when plants are not receiving light
  4. 4. main light absorbing pigment in photophosphorylation
  5. 5. type of reaction center in bacteria that passes electrons through a quinone to an iron-sulfur center
  6. 9. transfers electrons from reduced ferredoxin to NADP+
  7. 15. reaction that occurs when plants receive sunlight
  8. 17. site where light energy is converted to chemical energy
  9. 18. these organisms release carbon dioxide
  10. 19. proteins that carry electrons between the two photosystems
  11. 20. photophosphorylation where ATP synthesis is driven by cyclic electron flow through PSI
  12. 21. type of chlorophyll that transfers light energy to neighboring chlorophyll
  13. 24. ultimate source of electrons passed to NADPH in plants during photosynthesis is water
  14. 26. photophosphorylation that involves both photosystems
  15. 27. pumped across thylakoid membrane to create energy through an electrochemical potential