Lab test 3-gel electrophoresis/DNA fingerprinting

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GEL ELECTROPHORESIS what was the purpose of the buffer? what does the agarose gel do?	buffer-to cover the wells. agarose gel-seperates fragments
what was the purpose of the black piece of paper?	to conduct electricity
what does the comb do?	form wells for samples
how were the alligator clips attached to the gel box?	black to negative red to positive
what is the charge on the dyes?	negative
do the dyes move through the buffer or through the gel?	through the gel
which dna samples would describe a match? the longest or the shortest?	the shortest
DNA FINGERPRINTING what molecule composes the bands?	DNA of different sizes
what process seperated these bands?	gel electrophoresis

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