Recombinant DNA
In genetic engineering, a chimera is

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

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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 disease in humans that causes loss of sight
a bacterium that can be used to introduce DNA into plants

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Recombinant DNA
Bacterial cells protect their own DNA from degradation by restriction endonucleases by

deleting all recognition sites from the genome
not producing any restriction endonucleases
having anti restriction endonucleases
methylating the DNA at the sites that the enzyme recognizes

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Recombinant DNA
Electroporation is

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

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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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