In the PCR process, the first step is to heat the DNA strands. This is to permit the breaking of hydrogen bonds to separate the two strands of DNA.
PCR is a molecular technique. The full-form is Polymerase Chain Reaction. It is a technique used to make multiple copies of DNA also termed as amplification. The process is carried out at a very high temperature and therefore a special polymerase enzyme called the Taq polymerase is used.
DNA is the genetic material of most of the living organisms. it's full form is Deoxy Ribonucleic Acid. It is a double-stranded helical structure. The monomer units of DNA are nucleotides.
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