Recombinant DNA
The piece of equipment, that introduces DNA into cells via DNA-coated microprojectiles is known as

laser
DNA probe
inoculating needle
gene gun

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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
Vectors are

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

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Recombinant DNA
The Southern blotting technique depends on

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

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