18. Biotechnology
Gel Electrophoresis
Multiple Choice
Multiple ChoiceWhy do the fragments of DNA in gel electrophoresis move away from the negative cathode?
A
DNA is negatively charged and attracted to the positive anode.
B
DNA is positively charged and attracted to the positive anode.
C
DNA is negatively charged and attracted to the positively charged agarose gel.
D
DNA is positively charged and attracted to the negatively charged agarose gel.
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