Which of the Following Modifications Is Least Likely to Alter

question 44

Multiple Choice

Which of the following modifications is least likely to alter the rate at which a DNA fragment moves through a gel during electrophoresis?

• A) altering the nucleotide sequence of the DNA fragment without adding or removing nucleotides
• B) acetylating the cytosine bases within the DNA fragment
• C) increasing the length of the DNA fragment
• D) decreasing the length of the DNA fragment
• E) neutralizing the negative charges within the DNA fragment