Which Is Not One of the Elements Needed to Amplify

question 26

Multiple Choice

Which is not one of the elements needed to amplify DNA by polymerase chain reaction (PCR) ?

• A)Two primers-short polynucleotides that are complementary to the two ends of the segment to be amplified
• B)A restriction endonuclease enzyme that cleaves DNA at specific locations
• C)The segment of DNA that must be copied
• D)A DNA polymerase enzyme that will catalyze the synthesis of a complementary strand of DNA from a template strand
• E)Nucleoside triphosphates that serve as the source of the nucleotides A,T,C,and G needed in the synthesis of the new strands of DNA

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