Match the following

	Column I		Column II
I	Amplify DNA in the laboratory	A	Gel electrophoresis
II	Purify the DNA from cell contents	B	Restriction endonuclease
III	Cut the DNA at specific location	C	Chilled ethanol
IV	A way to separate DNA fragment based on thier size	D	PCR

      Amplify DNA in the laboratory           -   PCR (Polymerase chain reaction )

       Purify the DNA from cell contents      -   chilled ethonol

       Cut the DNA at specific location         -   Restriction endonucleases

       A way to separate DNA fragment       -  Gel electrophoresis  

       Based on their size