| Front | Aseptic technique |
| Back | Used to avoid contamination of the sample from outside substances such as microorganisms. |
| Tags | Copy |
| Front | Describe experiment for permeability of cell membranes |
| Back | 1. cut 5 equally sized beetroot pieces using a scalpel, rinse to remove any pigment2. add the 5 pieces to 5 test-tubes and add 5cm3 of water using a pipette or measuring cylinder3. place each test tube in a water bath at different temperatures (10,20,30,40,50) for the same length of time4.Remove the pieces of beetroot leaving the liquid leftover5. use a colourimeter to measure the amount of light passing through the liquid, calibrate using pure water. |
| Add Reverse | |
| Tags |
| Front | Casein |
| Back | Protein found in milk |
| Tags |