PCR (Polymerase Chain Reaction) is the standard procedure for duplicating DNA, which is a critical step to many different protocols, including COVID tests (real

PCR (Polymerase Chain Reaction) is the standard procedure for duplicating DNA, which is a critical step to many different protocols, including COVID tests (real-time PCR) and DNA sequencing. This device is a miniaturized thermo cycler, which heats up and cools down a sample in a small test tube according to a pre-programmed sequence. Heating/cooling cycles are necessary for the enzymes involved in PCR to do their jobs.