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Taq polymerase is an enzyme that is used by scientists in the polymerase chain reaction because it is stable at high temperatures. It is the polymerase used by a bacteria, Thermus auquatics, which... Taq polymerase is an enzyme that is used by scientists in the polymerase chain reaction because it is stable at high temperatures. Large amounts of a sample of DNA are necessary for molecular and genetic analyses, and the polymerase chain reaction is used to amplify very small amounts of DNA.
But these thermophile DNA polymerases work at 100C, a temperature at which DNA is denatured (in linear form). This thermophilic DNA polymerase is called Taq polymerase, named after T hermus aq uaticus, the bacteria it is derived from.Taq polymerase, however, has no proofreading ability. Other thermally stable polymerases, such as Vent and Pfu, have been discovered to both work for PCR and to proofread.his is the enzyme that is in charge of replicating DNA. This is the polymerase part of the name polymerase chain reaction. 4. Nucleotides. You'll need to add nucleotides (dNTPs) so the DNA polymerase has building blocks to work with.