Explain the key ideas that make PCR possible.
DNA must first be denatured through the use of heating and annealing, this is followed up by the extension of the separates strands of DNA, thereby replicating the DNA. This is repeated again and again. Since the DNA generated will be used as a template for replication, this is why PCR becomes exponentially amplified, as the number of DNA produced and uses as a template is growing exponentially.
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