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

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

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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
Vectors are

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

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