RP4 Flashcards
1
Q
Why does ethanol cause pigment to leak out of beetroot disc?
A
Phospholipids dissolves Ethanol, hence increases the membrane permeability.
2
Q
Why was the beetroot disc was washed distilled water after cutting
A
Ensures that the pigment released only is due to the effect of membrane permeability.
3
Q
Why used fresh beetroot rather than cooked beetroot
A
In the cooked beetroot, some of the enzymes has been denatured.
