Answer
Primers are short pieces of single stranded DNA complementary to DNA sequences that are adjacent to the target region of interest. PCR primers are tasked with providing a "free" 3'-OH group so the DNA polymerase can add dNTPS.
Work Step by Step
Primers are short pieces of single stranded DNA complementary to DNA sequences that are adjacent to the target region of interest. PCR primers are tasked with providing a "free" 3'-OH group so the DNA polymerase can add dNTPS.