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

YACS
expression vectors
all of these
BACS

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Recombinant DNA
Agrobacterium tumefaciens is

a fungi that is used to produce antibiotics in large amounts
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

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Recombinant DNA
Vectors are

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

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