DNA Extraction Experiment

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what does putting the (e.g) onion in a detergent and salt solution (step 1) do?
break down cell membranes and make DNA stick together
1 of 6
what does putting the beaker into the water bath (step 2) do?
denatures enzymes that could digest the DNA and softens cells
2 of 6
what does putting the beaker into ice (step 3) do?
cools the mixture and stops the DNA from breaking down
3 of 6
what does putting the mixture into a blender (step 4) do?
breaks open the cells walls and releases the DNA
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what does cooling the mixture again and filtering it (step 5)?
gets rid of the froth and big bits of cell
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what does gently adding ice-cold alcohol (step 6) do?
DNA will start to come out of solution (not soluble in cold alcohol) which can be fished out with a glass rod
6 of 6

Other cards in this set

Card 2

Front

what does putting the beaker into the water bath (step 2) do?

Back

denatures enzymes that could digest the DNA and softens cells

Card 3

Front

what does putting the beaker into ice (step 3) do?

Back

Preview of the front of card 3

Card 4

Front

what does putting the mixture into a blender (step 4) do?

Back

Preview of the front of card 4

Card 5

Front

what does cooling the mixture again and filtering it (step 5)?

Back

Preview of the front of card 5
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