Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
osmosis
Member rating: No Rating | Words: | Submitted: Wed Oct 05 2005
Page Preview
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
Biology Coursework The Hypothesis When the water potential of the surrounding solution is less negative than that of the potato cells, water enters the cells' vacuoles by osmosis causing the turgor of the cells to increase. Method 1. Using a cork borer remove a core of potato. 2. Use a white tile to push the cork borer into the potato. 3. Using a scalpel or razor blade cut the skin off the ends of the potato cores. 4. Cut the potato cores into 30 disks 5mm thick, using a ruler to measure the thickness. 5. Place the disks into a petri dish to prevent the evaporation of water 6. Make different concentrations of sucrose solution 0.1, 0.2, 0.4, 0.6, 0.8 molar and distilled water. Place the solutions into a water bath to keep then all at the same temperature. 7. Remove 6 disks at a time from the petri dish and weigh them using an electronic balance. Record the...
Get instant access
- Instant, unlimited access to our documents in full
- Swap your work for free access, or pay £4.99
- To see the full version of this document and 151,697 others
