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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 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
Biology › View
the reaction that occur during the photosynthesis process inside the grana
A. the dark reactions
B. the light reactions
C. metabolism
D. phosphorylation