Investigating photosynthesis-Core Practical
- Created by: Emling
- Created on: 27-03-19 14:32
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- Investigating photosynthesis- core practical
- Variables
- Independent
- Chloroplasts
- Dependent
- Whether the DCPIP decolourises
- Independent
- Equipment
- Centrifuge and centrifuge tubes
- Spinach leaves
- Scissors
- Pestle and motar
- Muslin
- Funnel
- Pipet
- Measuring cylinder
- Bench lamp
- DCPIP
- Method
- 1.Cut up spinach leaves
- 2.Grind up leaves using a pestle and motar with an isolation solution
- 3. Filter the liquid with a muslin and place in centrifuge tubes
- 4.Spin in a centrifuge and remove any liquid from the tubes and re-suspend the solid
- 5.Mix DCPIP with the suspended solution and expose tubes to light
- 6.Record how long it takes for the blue colour to disappear
- Variables
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