biology paper 1

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Across
  1. 4. reproduction through simple cell division
  2. 5. simple sugar used in both types of respiration
  3. 7. exothermic respiration using oxygen
  4. 12. a disease caused by a pathogen that can be passed on
  5. 13. cell with the DNA in plasmids or free
  6. 18. green pigment in chloroplasts that absorb light
  7. 21. enzyme that breaks down starch into simple sugars
  8. 22. sum of all reactions in a cell or body of an organism
  9. 25. enzyme that breaks down proteins into amino acids
  10. 26. building blocks of lipids along with fatty acids
  11. 27. drug to lower blood cholesterol
  12. 30. a mineral ion used to make proteins
  13. 32. movement of sugars from the leaves to the rest of the plant through the phloem
  14. 34. non-living transport tissue in plants to transport water from the roots to the leaves and shoots
  15. 35. agent that causes cancer or increases the risk
  16. 36. type of cell that can differentiate
  17. 37. red pigment that carries oxygen in red blood cells
  18. 38. an acid that builds up as a product of a type of respiration that is toxic to humans
  19. 39. main artery leaving the left ventricle to carry oxygenated blood to the body
  20. 40. a living transport tissue in plants that transports sugars through the plant
Down
  1. 1. exothermic respiration using glucose
  2. 2. paper 1 keywords
  3. 3. the lack of chlorophyll due to a lack of magnesium ions makes leaves yellow
  4. 6. a protein molecule that is a biological catalyst and changes rate of reaction
  5. 8. effectiveness of a drug
  6. 9. a tumour that stays stationary and is not cancerous
  7. 10. poisonousness of a substance
  8. 11. vessels that carry blood from the heart to the body and are normally oxygenated
  9. 14. a cell that has a cell membrane, cytoplasm and genetic material in a nucleus
  10. 15. enzyme that breaks down lipids into fatty acids and glycerol
  11. 16. tumour that invades neighbouring tissues and is cancerous
  12. 17. cell cycle part where chromosomes are pulled apart to divide
  13. 19. created by monoclonal antibodies through the fusion of a lymphocyte and tumour cell
  14. 20. cava, large vein going into the right atrium that carries deoxygenated blood from body
  15. 23. large chambers at the bottom of the heart
  16. 24. upper chamber in the heart
  17. 28. loss of water vapour from the leaves through stomata by evaporation
  18. 29. blood vessel that carries blood to the heart, normally deoxygenated from the body
  19. 31. occurs in ribosomes to make proteins
  20. 33. metal mesh placed in a blocked artery to open up the blood vessel