B2.3 Cell Specialization

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Across
  1. 6. hardens the zonapellucida
  2. 7. cytoskeletal structure in the tail of the sperm
  3. 9. process of developing into highly specialized cells
  4. 13. muscles that connect to skeletons
  5. 15. red blood cells
  6. 18. cells on the walls in the alveoli
  7. 20. filtered liquid
  8. 23. stem cells that can only become related cell types
  9. 25. signalling chemical that determinds what genes are expressed
Down
  1. 1. adaptation where cell curves in on both sides
  2. 2. muscle involved in involuntary movement
  3. 3. liquid that stops alveoli walls from sticking together
  4. 4. male gamete
  5. 5. stage where stem cells can become any cell except placenta cells
  6. 8. where adult stem cells can be found
  7. 10. filitering unit of the kidney
  8. 11. affects the rate of diffusion
  9. 12. affects the rate of metabolism
  10. 14. tip of the sperm cell that houses enzymes
  11. 16. infolds of the membrane
  12. 17. little hairs that increases surface area
  13. 19. female gamete
  14. 21. outer layer of the egg cell
  15. 22. when a gene is transcripted and translated into a protein
  16. 24. oxygen carrying protein the the red blood cell