Multiple Choice
The following figure shows that gel electrophoresis can be used to separate repetitive DNA sequences.Gel electrophoresis separates DNA fragments because ________. 
A) double-stranded moves slower than single-stranded DNA
B) of ratios of guanine to cytosine
C) the DNA fragments have different lengths
D) of the salt concentration in the gel matrix
Correct Answer:

Verified
Correct Answer:
Verified
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