Recombinant DNA
Vectors are

molecules that degrade nucleic acids
molecules that help in replication
molecules that are able to covalently bond to and carry foreign DNA into cells
molecules that protect host cells from invasion by foreign DNA

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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 multiplication of the cells
the process of combining foreign DNA to an electrically charged vector molecule
the application of high voltage pulses

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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 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
the DNA polymerases of these bacteria are much faster than those from other organisms

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