Presentation Fr Flashcards
1
Q
Card 1
A
The purpose of boiling the leaf in the water is to denature the enzymes which convert starch to glucose.
2
Q
Card 2
A
The leaf became flaccid after boiling due to the cell membranes rupturing.
3
Q
Card 3
A
The purpose of the ethanol was to remove the chlorophyll from the leaf which prevents the green pigment from masking the iodine test for starch
4
Q
Card 4
A
Because the iodine remained brown the leaf tested negative for starch, it would’ve changed to blue-black if starch was present
