Recombinant DNA
In genetic engineering, a chimera is

an enzyme that links DNA molecules
a fungi
a plasmid that contains foreign DNA
a virus that infects bacteria

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

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Recombinant DNA
Vectors are

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

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Recombinant DNA
The Southern blotting technique depends on

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
similarities between the sequences of probe protein and experimental protein

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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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