Which PCR Step Synthesizes Complementary DNA Strands?
A)add DNA Polymerase $\circ$

question 38

Multiple Choice

Which PCR step synthesizes complementary DNA strands?

• A)add DNA polymerase and nucleotides at 72^\(\circ\)C
• B)cool DNA to between 50^\(\circ\)C and 65^\(\circ\)C
• C)add primers
• D)heat target DNA to 94^\(\circ\)C
• E)repeat the cycle of heating and cooling

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