1. Diffusion through a membrane Lab
Pictures!

2. First you fill a dialysis tube with a glucose and starch solution

3. Then place it into a beaker or cup and fill to cover with water
Then place it into a beaker or cup and fill to cover with water. Add Lugol’s iodine till an amber color is obtained.
This is your initial set up

4. Nutrient testing: Starch Test
Add Lugol’s Iodine to the solution being tested and record color
Water+ iodine
Glucose + iodine
Starch + iodine

5. Glucose Test:
Water + benedicts
Add benedict’s solution to the substance being tested and heat in a hot water bath
Starch + benedicts
glucose + benedicts

6. Observe your “cell” after 30 min and test the outside for glucose
Glucose test results