 Diffusion Lab Experiments 1. Drop of water on a slide, add particles of Carmin to the water. Add cover and observe under Microscope. 2. https://www.youtube.com/watch?v=aTn56X_fa7Y 3. Working with Membranes. Solution Source Original Contents (Beaker and Bag) Original Color Final Color (Beaker and Bag) Color After Benedict´s Test (Tubes) Bag 30% Glucose and Starch No color, Chalky Purple Orange-Red Beaker H2O and I2KI(Lugol) Pale Yellow Pale Yellow Orange-Red Control H2O —- Blue Note Lugols Iodine (Yellow Amber) reacts with Starch and turns Purple or Black Benedict (Blue) reacts with Glucose (Solution heated) turns Orange, or Orange_Red Indicator Color Reacts with Turns Lugols Iodine Yellow Amber Starch Purple or Black Benedict Blue Glucose Orange Biuret Blue Peptides Violet https://www.youtube.com/watch?v=RYm4bMg4i1U 4. Osmotic activity in cells. |
