Block B Close the Gap Crossword

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Across
  1. 5. A short section of a chromosome.
  2. 7. Produces proteins inside the cell.
  3. 9. These power sources will eventually run out.
  4. 10. Wind turbines are known to create this kind of pollution.
  5. 11. The farmer burns this in the biomass energy option.
  6. 12. 'Spare' electricity can be used to do this, creating a store of energy which can be used in future.
  7. 13. In the second stage of the cell cycle, this happens to the copies of the chromosomes.
  8. 14. Supports and strengthens the structure of a plant cell.
  9. 15. A bundle of DNA found in the nucleus.
  10. 18. Doing this reduces Carbon Dioxide in the atmosphere.
  11. 19. Controls the reactions inside the cell.
  12. 20. What happens to the chromosomes in the first stage of the cell cycle?
Down
  1. 1. Gas power stations are useful when there is a ---- ------ for electricity.
  2. 2. At the end of the cell cycle, two --------- copies of the cells have been made.
  3. 3. Controls what goes in and out of the cell.
  4. 4. These power sources will never run out.
  5. 6. A power station which involves water flowing through a dam.
  6. 8. Light bulbs made from this are very cheap to run and use very little electricity.
  7. 16. Nuclear power stations have a slow one of these.
  8. 17. Carry out respiration inside cells.