Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode?
A. DNA is negatively charged so attracted to the positive end of the unit
B. DNA is positively charged to attracted to the negative end of the unit
C. the agarose gel in negatively charged
D. the agarose gel is positively charged
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LB containing ampicillin (2nd plate) is inoculated with the E. coli bacteria that contains ampicillin resistant gene. The bacteria will;
A. Grow on the agar plate
B. Will not grow on the agar plate.
C. will only grow after the plate has been incubated at 45C
D. will only grow after the plate has been placed in a warm water bath for 2 minutes.
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