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What is polymerase chain reaction simple definition?

What is polymerase chain reaction simple definition?

Listen to pronunciation. (puh-LIH-meh-rays chayn ree-AK-shun) A laboratory method used to make many copies of a specific piece of DNA from a sample that contains very tiny amounts of that DNA. Polymerase chain reaction allows these pieces of DNA to be amplified so they can be detected.

What is PCR and its uses?

PCR is used in molecular biology to make many copies of (amplify) small sections of DNA? or a gene?. Using PCR it is possible to generate thousands to millions of copies of a particular section of DNA from a very small amount of DNA. PCR is a common tool used in medical and biological research labs.

What is the principle of polymerase chain reaction?

Its principle is based on the use of DNA polymerase which is an in vitro replication of specific DNA sequences. This method can generate tens of billions of copies of a particular DNA fragment (the sequence of interest, DNA of interest, or target DNA) from a DNA extract (DNA template).

What is the purpose of PCR quizlet?

Polymerase chain reaction is a technique used to target specific fragments of DNA and artificially amplify (increase their quantity) them.

What is the importance of polymerase chain reaction?

The polymerase chain reaction (PCR) is used to make millions of copies of a target piece of DNA. It is an indispensable tool in modern molecular biology and has transformed scientific research and diagnostic medicine.

What are the types of polymerase chain reaction?

Types of polymerase chain reaction-PCR

  • Real-Time PCR (quantitative PCR or qPCR)
  • Reverse-Transcriptase (RT-PCR)
  • Multiplex PCR.
  • Nested PCR.
  • High Fidelity PCR.
  • Fast PCR.
  • Hot Start PCR.
  • GC-Rich PCR.

What are three main steps involved in polymerase chain reaction?

PCR is based on three simple steps required for any DNA synthesis reaction: (1) denaturation of the template into single strands; (2) annealing of primers to each original strand for new strand synthesis; and (3) extension of the new DNA strands from the primers.