What Key Role Does the Bacterium Thermus Aquaticus Play in the Polymerase

question 9

Multiple Choice

What key role does the bacterium Thermus aquaticus play in the polymerase chain reaction (PCR) ?

• A)It is the source of the four nucleotides needed in PCR.
• B)It serves as the platform on which PCR proceeds.
• C)It provides the heat-stable DNA polymerase used in PCR.
• D)It aids in winding the newly produced DNA molecule with proteins to form a chromosome.
• E)It acts as a buffer to maintain a constant pH in the PCR solution.

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