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

autoradiography
blotting
gel electrophoresis
photoreactivation

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Recombinant DNA
The Southern blotting technique depends on

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

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Recombinant DNA
A genomic library is

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
a book that describes how to isolate DNA from a particular organism

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Recombinant DNA
The advantage of using DNA polymerases from thermophilic organisms in PCR is that

the DNA polymerases of these bacteria are much faster than those from other organisms
All of these
the DNA polymerases of these bacteria never make mistakes while replicating DNA
the DNA polymerases of these bacteria can withstand the high temperatures needed to denature the DNA strands

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