Science cells

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Across
  1. 2. Organ(1 word)
  2. 4. 1 cell (1 word)
  3. 6. Specialised cell(2 words)
  4. 8. Physical structure or twisted ladder(2 words)
  5. 12. More than one cell(1 word)
  6. 13. Receives proteins form ER(2 words)
  7. 14. Hair root(2 words)
  8. 15. Photosynthesis colour(1 word)
  9. 19. This is semi-permeable and surrounds the cell (2 words)
  10. 20. Transports molocules(2 words)
  11. 22. Type of cell and has 4 main types
  12. 23. Holds DNA(1 word)
Down
  1. 1. Rigid protective layer(2 words)
  2. 3. Invisible to the naked eye(1 word)
  3. 5. Holds genetic material(1 word)
  4. 7. Too small to be seen from eyes(1 word)
  5. 9. Holds water(1 word)
  6. 10. Eukaryote not plant, fungi or animal(1 word)
  7. 11. Is small and on human body(1 word)
  8. 12. Creates energy(1 word)
  9. 16. Makes proteins(1 word)
  10. 17. Type of cell and has two main types(1 word)
  11. 18. Large enough to be seen by eyes(1 word)
  12. 21. Jelly like(1 word)