National 5 Biology (up to 2.4)

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Across
  1. 2. protein that speeds up reactions
  2. 6. the neuron that takes information towards an effector
  3. 9. basic unit of life
  4. 10. site of photosynthesis
  5. 14. glucose is broken down to this in respiration
  6. 17. reaction that builds-up small to large molecules
  7. 18. product of two gametes fusing together
  8. 20. different forms of a gene
  9. 21. two alleles that are the same as each other
  10. 22. section of DNA coding for a protein
  11. 23. these are pulled to opposite poles with spindle fibres
  12. 25. female gamete produced here
  13. 26. along with carbon dioxide, a product of plant fermentation
  14. 28. structure used in genetic engineering
  15. 29. controls thought processes
  16. 30. gap between two neurones
  17. 32. group of similar tissues working together
  18. 33. movement of water molecules
  19. 35. when a plant cell gains water
  20. 36. adenine and cytosine are examples
  21. 37. active site changes shape
  22. 38. cell containing long-stranded DNA
Down
  1. 1. controls breathing and heart rate
  2. 3. chromosomes line up here
  3. 4. single-stranded genetic molecule that copies DNA
  4. 5. controls all cell activities
  5. 7. stage one of respiration
  6. 8. the form of variation where there are distinct groups
  7. 11. the allele that is hidden in the presence of the dominant
  8. 12. structural component of plant cell walls
  9. 13. the best condition an enzyme works at
  10. 15. type of transport that does requires energy
  11. 16. cells that have both copies
  12. 19. two gametes fusing together
  13. 20. produces pollen grain in a flowering plant
  14. 22. cytosine binds with this
  15. 24. hormone that decreases blood glucose
  16. 27. glucose stored in the liver as this
  17. 31. form of respiration that produces loads of ATP
  18. 34. the molecule that binds with an enzyme