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The polymerase chain reaction (PCR) allows scientists to do all of the following:

a) Sequence entire genomes
b) Amplify DNA segments
c) Identify protein structures
d) Purify RNA

1 Answer

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Final answer:

PCR is a technique used in biology to amplify specific regions of DNA for further analysis. It allows scientists to make millions of copies of a desired DNA sequence quickly.

Step-by-step explanation:

PCR, or polymerase chain reaction, is a technique used to amplify specific regions of DNA for further analysis. It allows scientists to make millions of copies of a desired target DNA sequence in just a few hours. PCR is used in various applications, such as cloning gene fragments, identifying genetic diseases, and sequencing DNA.

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