Recombinant DNA
What is the normal role of restriction endonucleases in bacterial cells?

To degrade invading phage DNA
All of these
To degrade the bacterial chromosome into small pieces during replication
To produce RNA primers for replication

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Recombinant DNA
Electroporation is

the application of high voltage pulses
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 process of multiplication of the cells

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Recombinant DNA
The Southern blotting technique depends on

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

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