Recombinant DNA
A molecular technique in which DNA sequences between two oligonucleotide primers can be amplified is known as

northern blotting
polymerase chain reaction
southern blotting
DNA replication

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

the DNA polymerases of these bacteria are much faster than those from other organisms
the DNA polymerases of these bacteria never make mistakes while replicating DNA
the DNA polymerases of these bacteria can withstand the high temperatures needed to denature the DNA strands
All of these

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