Recombinant DNA
Vectors are

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

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Recombinant DNA
Agrobacterium tumefaciens is

a disease in humans that causes loss of weight
a fungi that is used to produce antibiotics in large amounts
a bacterium that can be used to introduce DNA into plants
a disease in humans that causes loss of sight

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Recombinant DNA
A genomic library is

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 database where the sequence of an organism's genome is stored
a place where the information of the genetic organization of organisms are kept.

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