Which One of the Following Statements Regarding DNA Gel Electrophoresis

question 7

Multiple Choice

Which one of the following statements regarding DNA gel electrophoresis is true?

• A) It is the charge of the pyrimidines in the DNA molecule that gives DNA its net negative charge and ability to migrate on a gel.
• B) Agarose gel can resolve 1 bp differences in DNA fragments and is best to use for DNA sequencing.
• C) Polyacrylamide gel can separate smaller fragments of DNA with high resolution and is best for single-stranded nucleic acid separation.
• D) Because of the negative charge of DNA,it will migrate toward the negative electrode during electrophoresis.

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