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Recombinant DNA Technology

Recombinant DNA Technology
What enzyme forms covalent bonds between restriction fragments?

DNA ligase
DNA polymerase
DNA helicase
DNA primase

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Recombinant DNA Technology
Both DNA gel electrophoresis and SDS-PAGE of proteins are similar because

both techniques utilize the sieving properties of gels
both techniques rely on a constant charge to mass ratio
in both cases molecules migrate to the anode
All of these

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Recombinant DNA Technology
Restriction enzymes are named for

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

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Recombinant DNA Technology
X-rays cause

None of these
ionization of water in the cell
heat
the formation of thymine dimers

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Recombinant DNA Technology
The transfer of antibiotic-resistant genes from genetically engineered bacteria to disease-causing bacteria __________ .

would be of no concern if it occurred.
seems unlikely
has occurred
can never occur

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Recombinant DNA Technology
A plasmid

All of these
always contains an origin of replication
usually contains one or more restriction sites
is a circular DNA molecule

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