Table of procedures

Biology: Processes of life-How big can a cell get? (29/3/2012)

Table of procedures:

Steps	Procedures
1	Fold the paper towel into 2
2	Cut into 3 strips of about 30x20mm
3	Briefly soak the strips into cabbage juice
4	Remove immediately once the paper turns light purple
5	Spread them open and leave aside to dry on the white tile
6	Cut the agar block to the following specifications: a. 3 pieces of 5x5x5mm b. 1 piece of 5x5x20mm c. 1 piece of 10x10x10mm
7	Label your petri dish accordingly based on the solutions that are assigned to you in step 2
8	Immerse one piece of agar of size 5x5x5mm, 5x5x20mm and 10x10x10mm into the lemon juice solution
9	Record the time it takes to change colour completely
10	Immerse the other two pieces of 5x5x5mm agar into the 2 remaining liquids.
11	Observe the colour change and record in Table 2
12	Introduce a few drops of each of the 3 solutions onto a different strip of the cabbage juice soaked 2-ply paper towel
13	Observe the colour change and record the results in Table 2
14	Transfer 2 square centimeter of each solution into separate test tubes.
15	Label the test tubes accordingly
16	Add an equal amount of cabbage juice into ach test tube
17	Record the colour change in Table 2