Recombinant DNA
Vectors are

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

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Recombinant DNA
Electroporation is

the application of high voltage pulses
the process of separating charged molecules through a gel maintained in an electric field
the process of multiplication of the cells
the process of combining foreign DNA to an electrically charged vector molecule

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Recombinant DNA
The Southern blotting technique depends on

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

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Recombinant DNA
A genomic library is

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

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