Biology crossword

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Across
  1. 1. Protein makers
  2. 3. A cell that contains no nucleus
  3. 4. Contains genetic information (DNA)
  4. 5. Waste gas produced through respiration
  5. 9. Controls what goes in and out of the cell
  6. 11. Colour of blood cell that carries oxygen around the body
  7. 13. Gas used in aerobic respiration
  8. 14. An example of a prokaryotic cell
  9. 15. Organ where breathing takes place
  10. 17. Where chemical reactions take place in the cell
  11. 18. Colour of blood cell that fights bacteria and viruses
Down
  1. 2. Energy makers
  2. 6. A cell that has a nucleus
  3. 7. Sugar used in respiration
  4. 8. Supports and strengthens a plant cell
  5. 9. Makes food in plant cells
  6. 10. A protein that speeds up chemical reactions (active site)
  7. 12. Chemical that stores genetic information
  8. 16. Organ that pumps blood around the body