effect of ethanol on beetroot membrane

Question 1

if you increase the concentration of ethanol what happens to the colour standard and why

Answer 1

increasing the concentration of ethanol increases the colour standard due to the ethanol putting holes in the membrane of the beetroot allowing the pigment to escape into the ethanol

Question 2

define semi quantitative

Answer 2

compare to number (colour standards)

Question 3

what 2 factors can affect the permeability of the beetroot membrane

Answer 3

temperature of solvent

concentration of solvent