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

blotting
gel electrophoresis
photoreactivation
autoradiography

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Recombinant DNA
Agrobacterium tumefaciens is

a disease in humans that causes loss of weight
a disease in humans that causes loss of sight
a fungi that is used to produce antibiotics in large amounts
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

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

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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 process of combining foreign DNA to an electrically charged vector molecule
the application of high voltage pulses

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