Recombinant DNA
Charged molecules are separated based on varying rates of migration through a solid matrix when subjected to an electric field. This technique is known as

blotting
photoreactivation
gel electrophoresis
autoradiography

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Recombinant DNA
A genomic library is

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.
a book that describes how to isolate DNA from a particular organism
a database where the sequence of an organism's genome is stored

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