Recombinant DNA
Bacterial cells protect their own DNA from degradation by restriction endonucleases by

having anti restriction endonucleases
methylating the DNA at the sites that the enzyme recognizes
deleting all recognition sites from the genome
not producing any restriction endonucleases

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Recombinant DNA
Electroporation is

the process of combining foreign DNA to an electrically charged vector molecule
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

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