Studied by 4 peopleWhy do you crush kiwi with pestle and mortar?
To break the cell wall
Why do you add salt to the water?
DNA is insoluble to salt water but not water (you don’t want the DNA to dissolve)
Salt helps further break the cell wall
Is salt soluble in water?
Yes
Why do you drizzle ice cold ethanol around the sides of the beaker?
To bring the DNA up the sides of the beaker
Why do you put washing up liquid in the solution?
To break the cell membrane and parts of the nucleus
Where is DNA stored?
Nucleus
Note
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