Recombinant DNA
The Southern blotting technique depends on

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

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Recombinant DNA
Agrobacterium tumefaciens is

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 weight
a disease in humans that causes loss of sight

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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

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

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Recombinant DNA
The advantage of using DNA polymerases from thermophilic organisms in PCR is that

the DNA polymerases of these bacteria can withstand the high temperatures needed to denature the DNA strands
the DNA polymerases of these bacteria are much faster than those from other organisms
All of these
the DNA polymerases of these bacteria never make mistakes while replicating DNA

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