Recombinant DNA
For gene probes to be useful they must

both (a) and (b)
None of these
be labeled in some manner to allow detection
be large enough to contain gene-specific sequences

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Recombinant DNA
Electroporation is

the process of separating charged molecules through a gel maintained in an electric field
the process of combining foreign DNA to an electrically charged vector molecule
the application of high voltage pulses
the process of multiplication of the cells

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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 can withstand the high temperatures needed to denature the DNA strands
All of these
the DNA polymerases of these bacteria never make mistakes while replicating DNA

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