biology EoY quiz

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Across
  1. 4. an organelle found in plant cells which stores cell sap and supports the cell
  2. 6. a random change in the base sequence of DNA which may result in genetic variants
  3. 7. a diploid cell formed by the fusion of the nucleus of a male gamete with the nucleus of a female gamete
  4. 8. the complete genetic material of an organism
  5. 12. a structure in the brain that contains the thermoregulatory centre
  6. 16. a long coiled molecule of DNA
  7. 19. thin narrow blood vessels that connect the arteries and veins
  8. 20. sub-cellular structures that are the site of protein synthesis
  9. 22. a hormone that is involved in the fight or flight response
  10. 23. a hormone secreted by the pancreas when blood sugar is too high
  11. 24. an organelle that is the site of respiration
  12. 26. a substance that is indistinguishable from the real drug but has no effect on the recipient
  13. 27. the net spreading out of particles from a high to a lower concentration
Down
  1. 1. long hair-like structure found on bacterial cells that is used for cell movement
  2. 2. the community of organisms (biotic) and non-living (abiotic) components of an area and their interactions
  3. 3. a viscous, slimy fluid that lines the surface of many tissues in the body and traps pathogens
  4. 5. tiny air sacs in the lungs
  5. 9. the movement of water molecules from region of high water concentration to a region of lower water concentration
  6. 10. a process that removes salts from saline water to produce potable water
  7. 11. a biological catalyst that increases the rate of reactions in living organisms
  8. 13. a store of glucose in the liver and muscle tissues
  9. 14. a chemical found in cigarette smoke that raises heart rate and blood pressure, increasing the risk of cardiovascular disease
  10. 15. a large molecule that is synthesised from fatty acids and glycerol
  11. 16. an organelle that is the site of photosynthesis
  12. 17. a type of cell found in plants and animals that contains a nucleus
  13. 18. the functional unit of the kidney
  14. 19. hair-like structures found on epithelial cells which waft substances across the tissue surface
  15. 21. a large molecule that is synthesised from amino acids
  16. 25. the artery that takes oxygenated blood away from the heart to the body