DNA Fragments from a Gel Are Transferred to a Nitrocellulose

question 53

Multiple Choice

DNA fragments from a gel are transferred to a nitrocellulose paper during the procedure called Southern blotting. What is the purpose of transferring the DNA from a gel to a nitrocellulose paper?

• A) to attach the DNA fragments to a permanent substrate
• B) to separate the two complementary DNA strands
• C) to transfer only the DNA that is of interest
• D) to prepare the DNA for digestion with restriction enzymes
• E) to separate out the PCRs

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