GCSE biology revision

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Across
  1. 5. What type of microscope is used in a school lab?
  2. 7. What type of organism carries out decomposition?
  3. 8. A sequence of 3 bases that can be read to create an amino acid.
  4. 9. Which transport vessel is used to transport water and minerals up the plant?
  5. 12. What happens to enzymes when the pH of a solution gets too high?
  6. 14. Which acid is produced during anaerobic respiration in animals?
  7. 17. What is the zone called around an antibiotic in an agar plate where the bacteria has been killed?
  8. 19. Which hormone stimulates growth in the plant?
  9. 20. What is a living organism that can transmit infectious pathogens between humans, or from animal to human?
Down
  1. 1. What is the name of the square used to study the distribution of small organisms?
  2. 2. Which type of bacteria turns ammonia in decaying matter into nitrites and then into nitrates?
  3. 3. Which gland is often referred to as the “master gland”?
  4. 4. What is used to join the sticky ends of the desired gene to the plasmid DNA of a bacteria?
  5. 6. What is used to absorb carbon dioxide in the investigating respiration practical?
  6. 7. The part of your brain that controls unconscious activities like breathing and your heart rate.
  7. 10. Where a cell divides into two daughter diploid cells and then each daughter cell divides again into four haploid daughter cells.
  8. 11. Which muscles causes the hairs to stand up when you’re too cold?
  9. 13. What is the mass of living material that makes up an organism?
  10. 15. The characteristic that alleles give a whole organism.
  11. 16. What type of pathogen does an antibiotic not work on?
  12. 18. What is the name of the small sacs of air in the lungs where gas exchange takes place?