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

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

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Recombinant DNA
Electroporation is

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

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