Cells

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Across
  1. 2. These chemical messengers travel in your blood and bind to receptors
  2. 4. Guanine joins up with this to create a base pair
  3. 7. _________ cells have the ability to turn into all tissue types
  4. 9. What two daughter cells are produced in the end of mitosis
  5. 10. At what temperatures do enzymes work best
  6. 12. Active transport gains this from respiration
  7. 14. The active site changes shape when it becomes what?
  8. 16. this is a high sugar/salt concentration
  9. 18. This organelle is only present in plant cells
  10. 20. The appearance of a plant cell when placed in pure water becomes
  11. 22. bacteria reproduces _________ and quickly.
  12. 25. Protein synthesis takes place in this organelle
  13. 26. This structure controls balance and muscular co-ordination
  14. 27. Fermentation only occurs in the what?
  15. 28. this stops a plant cell from bursting when placed in water
  16. 29. This type of respiration requires oxygen
  17. 30. ATP is formed by phosphate and ?
Down
  1. 1. A membrane is what permeable
  2. 3. a medical product made by genetic engineering.
  3. 5. cells in a isotonic solution stay the same
  4. 6. What are enzymes made of?
  5. 8. the circular piece of DNA in the bacterial cell.
  6. 11. This molecule carries a copy of code for protein synthesis
  7. 13. modified plants been made to resist certain chemicals and ________ so that they can grow stronger increasing yield.
  8. 15. What is it called when enzymes breaks down the substance
  9. 17. This is the cause of muscle fatigue
  10. 19. What is the name given to the movement of diffusion?
  11. 21. This store long uncoiled chromosomes
  12. 23. this feature is often found on a bacterial cell for movement
  13. 24. These are the building blocks of protein