PCR stand for _________?
Correct answer: A. Polymerase chain reaction
- A. Polymerase chain reaction
- B. Poly carbomyl reaction
- C. Peptide chain reaction
- D. Pentapeptide chain reaction
Explanation
PCR stands for Polymerase Chain Reaction, a laboratory method that repeatedly copies a selected DNA segment using primers, nucleotides and a heat-stable DNA polymerase. Students may select peptide chain reaction because “chain reaction” sounds chemically plausible, but PCR specifically concerns polymerase-driven DNA amplification.
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Biotechnology applies genetic engineering, cell culture and recombinant DNA methods to medicine and public health. The material includes production of insulin, vaccines and antibiotics, diagnostic techniques, gene therapy, genetically modified organisms and the ethical concerns surrounding manipulation of human genes.
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