Enzyme' Taq polymerase' used in PCR, has been isolated from bacterium _________________.

Agrobacterium tumefaciens

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Thermus aquaticus

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Streptomyces albus

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Escherichia coli

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Solution

The correct option is C Thermus aquaticus
The final step of PCR is the extension, wherein Taq DNA polymerase is isolated from a thermophilic bacterium Thermus aquaticus.

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