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