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Biotechnology › ViewWhy do the fragments of DNA in gel electrophoresis travel away from the negative electrode?
A. DNA is negatively charged and attracted to the positive end of the unit
B. DNA is positively charged and attracted to the negative end of the unit
C. the agarose gel is negatively charged
D. the agarose gel is positively charged
Monoclonal Antibodies › View
What type of cells are removed from a mouse to make monoclonal antibodies?
A. White blood cells
B. Red blood cells
C. Spleen cells