What causes the DNA to migrate from the wells toward the positive electrode? a) DNA is positively charged too, and so was attracted to the positive electrode b) DNA is negatively charged, and so was attracted to the positive electrode c) DNA is polar and forms hydrogen bonds with the positive electrodes d) DNA is electrically charged, and so cycles through an electric field
What causes the DNA to migrate from the wells toward the positive electrode?
a) DNA is positively charged too, and so was attracted to the positive electrode
b) DNA is negatively charged, and so was attracted to the positive electrode
c) DNA is polar and forms hydrogen bonds with the positive electrodes
d) DNA is electrically charged, and so cycles through an electric field
The ratio of absorption at 260nm to absorption at 280nm is commonly used to assess. (Note: purity of DNA should be the right answer, but a is shown as wrong)
a) The concentration of DNA and RNA.
b) The purity of protein.
c) Whether your DNA or RNA is contaminated Trizol.
d) The concentration of protein in your sample.
How many different bases are associated with RNA?
a) 5
b) 4
c) 3
d) 6
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