Science Biology

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Across
  1. 2. organic acid. It has a molecular formula CH₃CHCOOH
  2. 4. each of a number of flattened sacs inside a chloroplast
  3. 6. light-independent reactions in photosynthesis that take place in three key steps
  4. 7. h20
  5. 12. what the amoeba sisters video was about
  6. 13. first step in the cycle
  7. 14. series of enzyme-mediated reactions where the product of one reaction is used as the substrate in the next
  8. 16. Last step
  9. 20. colorless fluid surrounding the grana within the chloroplast.
  10. 21. powerhouse of cell
  11. 22. simple alcohol with the chemical formula C. 2H. 6O.
Down
  1. 1. use light energy to make two molecules needed for the next stage of photosynthesis
  2. 3. sugar plants make
  3. 5. requires oxygen
  4. 8. what plants perform
  5. 9. no oxygen needed
  6. 10. what we breathe
  7. 11. second step
  8. 15. enrgy for cell
  9. 17. c02
  10. 18. what animals perform
  11. 19. photosynthesis occurs here