B1-3 mock exam TRIO crossword

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Across
  1. 3. The variable that you choose to change.
  2. 7. The hormone that increases blood glucose levels.
  3. 8. Transports sugar (sucrose) and water in a plant.
  4. 9. Strengthens the cell wall in xylem vessels.
  5. 10. Thin walled blood vessel that takes blood back to the heart.
  6. 11. A change in the external environment.
  7. 13. The loss of water vapour by the leaves of a plant.
  8. 15. Transports water and minerals in a plant.
  9. 16. Substance that fits into the active site of an enzyme.
  10. 18. Speeds up the rate of a chemical reaction.
Down
  1. 1. The variable that you keep the same.
  2. 2. Polymer of glucose that is stored in the liver.
  3. 4. The variable that you measure.
  4. 5. Monomer of glycogen, used for respiration.
  5. 6. Movement of molecules from a high to a low concentration.
  6. 12. Prevents the backflow of blood.
  7. 14. Generated by a stimulus and travels along neurones.
  8. 17. Thick walled blood vessel that takes blood away from the heart.