Science and Technology · Biotechnology
Which of the following accurately describes the core process involved in the Polymerase Chain Reaction (PCR) technique?
- 1Repeated cycles of heating and cooling to denature DNA, anneal primers, and extend new strands✓
- 2The insertion of target genes into vectors such as plasmids to facilitate cloning
- 3The use of small RNA molecules to inhibit gene expression and effectively silence target genes
- 4The propagation of plant or animal cells in a controlled environment outside their natural habitat
Correct answer
Repeated cycles of heating and cooling to denature DNA, anneal primers, and extend new strands
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