bio crossword puzzle

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Across
  1. 2. a substance that speeds up a chemical reaction
  2. 3. three-dimensial structure
  3. 7. wall provides structural support
  4. 11. site of cellular respiration
  5. 14. stores water, nutrients and wast products
  6. 16. a living thing that keeps its body steady on the inside
  7. 17. used for cell movement
  8. 19. synthesizes lipids
  9. 22. structures with cell nucleus
  10. 23. usally single stranded
  11. 26. gel-like substance
  12. 27. the activity, role, value of an organism
  13. 29. can produce its own food
  14. 31. parts to form an organism
Down
  1. 1. specialized organell found in plants
  2. 4. the statring substances that participate
  3. 5. site of photosynthesis
  4. 6. to store and protect
  5. 8. to translate the genetic code
  6. 9. ¨with out oxygen¨
  7. 10. any of numerous substances that are producd
  8. 12. used for cell movement
  9. 13. break down waste materials and debris
  10. 15. many small units called monomers
  11. 18. a result of a chemical reaction
  12. 20. synthesizes proteins
  13. 21. apparatus sorts everything out
  14. 24. carries genetic blueprint
  15. 25. membrane regulates the passage of substance
  16. 28. a single molecule that is linked together
  17. 30. relating to or requiring oxygen