How Sensitive Is Gel Electrophoresis When It Is Used to Separate

question 57

Multiple Choice

How sensitive is gel electrophoresis when it is used to separate DNA?

• A)It can separate fragments of DNA that differ grossly in size.
• B)It can separate really big DNAs from very small DNAs.
• C)It can separate DNAs that differ by hundreds of nucleotides.
• D)It can separate DNA molecules that vary in length by only a single nucleotide.
• E)It can separate DNA molecules that vary in length by five or more nucleotides.

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