Medical Quiz

Topics: Biotechnology: Tools & Techniques Quiz

DNA fragments move through the gel during electrophoresis because:

A. DNA is positively charged

B. DNA is neutral

C. DNA is negatively charged and moves toward the positive electrode

D. DNA does not move in an electric field

Select your answer:
     


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What are sticky ends in the context of restriction enzyme action?

A. Overhanging ends of DNA created after the enzyme cuts

B. The base pairs that hold DNA together

C. The fragments of RNA left after DNA is cut

D. Primers that bind to DNA