Recombinant DNA
For gene probes to be useful they must

None of these
be labeled in some manner to allow detection
both (a) and (b)
be large enough to contain gene-specific sequences

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Recombinant DNA
Electroporation is

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

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Recombinant DNA
Vectors are

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

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Recombinant DNA
Agrobacterium tumefaciens is

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

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