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Recombinant DNA Technology

Recombinant DNA Technology
X-rays cause

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

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

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

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Recombinant DNA Technology
In order to insert a foreign gene into a plasmid, both must __________

be cut by the same restriction enzyme
have identical DNA sequences
be of the same length
originate from the same type of cell

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Recombinant DNA Technology
Why is golden rice pale yellow in color?

It is rich in chlorophyll a.
It is rich in beta-carotene.
It is rich in chlorophyll b.
It is rich in phycobilins.

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Recombinant DNA Technology
Which of the following is not true of small inbreeding populations?

Mutation is increased
There is an increased incidence of recessive diseases
They tend to loose genetic diversity
Alleles may become fixed

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Recombinant DNA Technology
In gel electrophoresis, DNA molecules migrate from __________ to __________ ends of the gel.

long ... short
positive to negative
negative ... positive
basic ... acidic

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