Biological molecules

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Across
  1. 1. part of cell that is selectively, partially or semi permeable
  2. 3. a key element in chlorophyll
  3. 4. a plant polymer of glucose
  4. 8. the key element in protein
  5. 17. reverse diffusion that requires energy
  6. 18. colour biuret goes with protein
  7. 19. proteins can form many shapes e.g. the ____ ____ of enzymes
  8. 21. a large molecule containing many different atoms
  9. 22. monomer of proteins
Down
  1. 2. proteins can form many shapes e.g. the ____ that are made by white blood cells
  2. 5. a part oof lipids
  3. 6. used to test for fats
  4. 7. the fruit of this flower has a lot of vitamin C
  5. 9. movement of water from an area of high to low water potential across a semi permeable membrane
  6. 10. made from the elements carbon, hydrogen and oxygen
  7. 11. the scientific word for fats and oils
  8. 12. a part of lipids
  9. 13. a monomer of starch
  10. 14. tests for vitamin C
  11. 15. turns red if glucose is present
  12. 16. contain a lot of energy
  13. 18. needed for growth and repair of cells
  14. 20. turns iodine blue black