Recombinant DNA
Problems in obtaining large amounts of proteins encoded by recombinant genes can often be overcome by using

YACS
all of these
BACS
expression vectors

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Recombinant DNA
Agrobacterium tumefaciens is

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

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