Question 1

Step 1:

Accepted Answer

Using a core borer, cut two identical pieces of the beetroot. Alternatively, you can cut two identical pieces with a knife.

Answer

Keep one test tube at room temperature and warm the other to 90°C in the water bath

Answer

You should notice that the test tube with the heated water is a darker purple

Question 2

Step 2:

Accepted Answer

Rinse the beetroot pieces

Answer

Remove the beetroot pieces, leaving just the coloured liquid in the five test tubes

Answer

Using a scalpel, cut five equal-sized cubes of beetroot

Question 3

Step 3:

Accepted Answer

Add the beetroot pieces to five different test tubes, each containing the same volume of water (e.g. 5cm³)

Answer

Use a colorimeter to measure how much light is absorbed as it passes through each of the five samples of coloured liquid

Answer

Rinse the beetroot pieces

Question 4

Step 4:

Accepted Answer

Put each test tube in a water bath at a different temperature (e.g. 10℃, 20℃, 30℃, 40℃, 50℃) for the same length of time

Answer

Rinse the beetroot pieces

Answer

Remove the beetroot pieces, leaving just the coloured liquid in the five test tubes

Question 5

Step 5:

Accepted Answer

Remove the beetroot pieces, leaving just the coloured liquid in the five test tubes

Answer

Add the beetroot pieces to five different test tubes, each containing the same volume of water (e.g. 5cm³)

Answer

Use a colorimeter to measure how much light is absorbed as it passes through each of the five samples of coloured liquid

Question 6

Step 6:

Accepted Answer

Use a colorimeter to measure how much light is absorbed as it passes through each of the five samples of coloured liquid

Answer

Add the beetroot pieces to five different test tubes, each containing the same volume of water (e.g. 5cm³)

Answer

Using a scalpel, cut five equal-sized cubes of beetroot

Question 7

Step 7:

Accepted Answer

The general pattern you would expect to see is that as temperature increases, membrane permeability also increases

Answer

Add the beetroot pieces to five different test tubes, each containing the same volume of water (e.g. 5cm³)

Answer

Using a scalpel, cut five equal-sized cubes of beetroot

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