Across
- 2. This is the feature of a pencil that makes it appropriate to draw the start line
- 4. This pigment is synthesised less in autumn/winter
- 7. Red pigments in the leaves in autumn may prevent these laying their eggs
- 10. Type of cell that has the most amount of chloroplasts
- 12. This term describes the inability to see the green pigments because there are more purple pigments
- 13. Rf values must always be lower than this value
- 14. What process is chlorophyll needed for
- 15. This must not touch the start line and dot of pigment
- 16. Gas formed by photosynthesis
Down
- 1. What energy is absorbed by chlorophyll?
- 3. What is different about each pigment that enables then to be separated by this method
- 5. Type of pigment that causes yellow/orange colours
- 6. Type of pigment that causes red/purple colours to leaves
- 8. By putting a lid on it reduces what process from your chromatography plate
- 9. This colour of pigment is the most soluble in the solvent
- 11. This reacts with carbon dioxide in photosynthesis