Recombinant DNA
The Southern blotting technique depends on

similarities between the sequences of probe protein and experimental protein
similarities between the sequences of probe RNA and experimental RNA
similarities between the sequences of probe DNA and experimental DNA
the molecular mass of proteins

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Recombinant DNA
Electroporation is

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

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

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

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Recombinant DNA
Agrobacterium tumefaciens is

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

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