Recombinant DNA Technology
Restriction enzymes

protect bacteria from viral infection
All of these
cut DNAs producing a blunt end
cut DNA in a staggered fashion

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Recombinant DNA Technology
Isoschizomers recognize

same recognition site and different recognition sequence
same recognition site and recognition sequence
different recognition site and different recognition sequence
same recognition sequence but different recognition site

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Recombinant DNA Technology
An expression vector

usually contains a gene that confers antibiotic resistance to the bacterial host
always contains an origin of replication
always contains DNA segments for the regulation of mRNA production
All of these

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