Biology paper 1

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Across
  1. 2. The movement of water in and out of a cell
  2. 8. Where respiration takes place
  3. 9. The gas used in aerobic respiration
  4. 13. When heat or pH damages an enzyme
  5. 15. Pumps blood to the lungs
  6. 16. Makes proteins in the cell
  7. 18. The enzyme that digests starch
  8. 19. The virus that causes AIDS
  9. 20. The air sacs in the lungs
Down
  1. 1. Undifferentiated cells that can multiply quickly
  2. 3. The increases diffusion if it is bigger
  3. 4. A fake pill to test if the real drug works
  4. 5. The name of the scientist who discovered penicillin
  5. 6. Used to test for starch
  6. 7. A ring of DNA in prokaryotic cells
  7. 10. Active transport requires this
  8. 11. A disease caused by a virus
  9. 12. Animal cells don't have these
  10. 14. The type of microbe that is treated with antibiotics
  11. 17. The main product of photosynthesis