Isolating DNA experiment (why they are used)

biology terms

table salt

causes DNA molecules to clump together

washing up liquid

helps dissolve cell/nuclear membranes

chop into small pieces

breaks down cell wall, releasing cytoplasm, which increases surface area

60 degrees celcius

to denature the DNAases

for 15 mins exaclty

any longer, the DNA would be broken down by temperature

cool the mixture

slows down the breakdown of DNA

blend

to break cell wall, release DNA

coffee filter paper

lab filter paper is too small

protease

breaks down the protein around DNA

ice cold ethanol

to take the DNA out of the solution