| Front | Describe an experiment to find the water potential of potato cells |
|---|---|
| Back | 1. use a cork borer to cut potatoes into identical potato cylinders 2. ensure the potato cylinders are the same length and from the same potato. 3. weigh the initial mass of the potato cylinders 4. place the potato cylinders into different sucrose solutions e.g (0.25,0.5,0.75,1.0,1.25,1.5) for 20 minutes 5. remove the potato cylinders from the solutions and gently dry. 6. weigh the final mass of potato cylinders and record results 7. using these results calculate % change in mass for each different sucrose solution. 8. You may draw a calibration curve and extrapolate to find where % change in mass zero, this value would be the water potential of the potato cell. |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Glucose sodium concentration lumen epithelial move gradient absorbed
Previous card: Pieces beetroot add water describe experiment permeability cell
Up to card list: AQA Biology Flashcards