Recombinant DNA
The Southern blotting technique depends on

similarities between the sequences of probe protein and experimental protein
similarities between the sequences of probe RNA and experimental RNA
the molecular mass of proteins
similarities between the sequences of probe DNA and experimental DNA

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Recombinant DNA
Electroporation is

the process of multiplication of the cells
the process of combining foreign DNA to an electrically charged vector molecule
the process of separating charged molecules through a gel maintained in an electric field
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 never make mistakes while replicating DNA
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

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