Recombinant DNA
Electroporation is

the process of combining foreign DNA to an electrically charged vector molecule
the process of multiplication of the cells
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
Bacterial cells protect their own DNA from degradation by restriction endonucleases by

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

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Recombinant DNA
The Southern blotting technique depends on

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

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Recombinant DNA
A genomic library is

a book that describes how to isolate DNA from a particular organism
a place where the information of the genetic organization of organisms are kept.
a database where the sequence of an organism's genome is stored
a collection of many clones possessing different DNA fragments from the same organisms bound to vectors

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