Recombinant DNA Technology
Restriction enzymes are named for

the viral DNA that they attack
None of these
the bacterium they are derived from
the person who discovered

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Recombinant DNA Technology
The order for the construction of a cDNA fragment from mRNA is to

bind oligo-dT, treat with reverse transcriptase, digest with RNase, add G residues to the 3' end, bind oligo-dC, treat with DNA polymerase
digest with RNase, add G residues to the 3' end, treat with reverse transcriptase, add G residues to the 3' end and treat with DNA polymerase
bind oligo-dC, treat with reverse transcriptase, digest with RNase, add G residues to the 3' end, bind oligo-dT and treat with DNA polymerase
treat with reverse transcriptase, digest with RNase, add G residues to the 3' end, bind oligo-dC, treat with DNA polymerase and bind oligo-dT

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Recombinant DNA Technology
An expression vector

All of these
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

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