1.

The advantage of using DNA polymerases from thermophilic organisms in PCR is that

A. the DNA polymerases of these bacteria can withstand the high temperatures needed to denature the DNA strands
B. the DNA polymerases of these bacteria are much faster than those from other organisms
C. all of the above
D. the DNA polymerases of these bacteria never make mistakes while replicating DNA
Answer» B. the DNA polymerases of these bacteria are much faster than those from other organisms


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