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Recombinant DNA

Recombinant DNA
Which of the following vector can maintain the largest fragment of foreign DNA?

Plasmid
Cosmid
Phage
YAC

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

BACS
all of these
expression vectors
YACS

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Recombinant DNA
Which of the following enzyme is used to covalently bond foreign DNA to a vector plasmid?

DNA helicase
DNA ligase
Restriction endonuclease
DNA polymerase

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Recombinant DNA
Which of the following is not commonly used as vector?

Artificial chromosome
Plasmid
Cosmid
Fungi

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Recombinant DNA
A short molecule containing 2-20 nucleotide is

vector
mononucleotide
oligonucleotide
plasmid

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Recombinant DNA
In genetic engineering, a chimera is

an enzyme that links DNA molecules
a plasmid that contains foreign DNA
a fungi
a virus that infects bacteria

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