Recombinant DNA
A molecular technique in which DNA sequences between two oligonucleotide primers can be amplified is known as

DNA replication
southern blotting
northern blotting
polymerase chain reaction

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Recombinant DNA
Electroporation is

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
the process of multiplication of the cells

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Recombinant DNA
Vectors are

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

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

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

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