photosynthesis crossword by holden

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Across
  1. 2. (A limiting factor for photosynthesis)
  2. 5. (Gain of electrons, gain of hydrogen, or loss of oxygen)
  3. 7. (The only unused byproduct of the light-dependent reaction)
  4. 8. (In what part of the chloroplasts does the light-independent stage of photosynthesis take place?)
  5. 9. (The number of cycles the light-independent reaction must do to form one six-carbon glucose molecule) of cell
  6. 11. (A molecule which is constantly recycled between the light-dependent and light-independent reactions by condensation and hydrolysis reactions, abbreviated)
  7. 14. (The topic on which this crossword is based)
  8. 16. (Thylakoids stack on top of each other to form what?)
  9. 18. (The addition of a phosphate molecule to ADP occurs in 3 ways: Oxidative phosphorylation, Substrate-level phosphorylation, and photophosphorylation)
  10. 20. (The light-dependent stage of photosynthesis takes place in this part of the chloroplasts)
Down
  1. 1. (The only non-recycled product of the light-independent reaction)
  2. 3. (ATP is used to provide energy to change the shape of carrier proteins in plasma membranes, allowing molecules or ions to move against the concentration gradient)
  3. 4. (This is formed in the Calvin Cycle when glycerate 3-phosphate is reduced by ATP and NADPH; written without spaces)
  4. 6. (Another name for the light-independent reaction)
  5. 10. (In the light-dependent reaction, two water molecules are split into four electrons, one oxygen molecule, and four protons)
  6. 12. (If all other limiting factors are at optimum levels, and carbon dioxide levels change from 0.04% to 0.1%, the rate of photosynthesis in a nearby plant will increase)
  7. 13. (ATP stands for adenosine triphosphate)
  8. 15. (This molecule reacts twice in one cycle of the light-independent reaction, abbreviated)
  9. 17. (Gas exchange in and out of the leaf occurs through this type
  10. 19. (Loss of electrons, loss of hydrogen, or gain of oxygen)