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dracko dracko
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6 years ago
Plasmids are used as vectors in both plant and bacterial genetic engineering. However, there is a major difference in the fate of genes introduced into bacteria on most bacterial plasmids and into plants on Ti plasmids. What is this difference?
A) In bacteria, genes are stably expressed; in plants, gene expression is always lost quickly.
B) Gene expression tends to decrease rapidly and unpredictably in bacteria; gene expression is much more stable in plants.
C) Bacterial plasmids are circular DNAs; Ti plasmid DNA is linear.
D) Bacterial plasmids and the genes they carry usually are not integrated into the chromosome; Ti plasmids and the genes they carry are integrated into the chromosome.
E) Bacterial plasmids typically do not modify the growth of the host cells; Ti plasmids modified for genetic engineering always produce plant galls.
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Biological Science, Canadian Edition

Biological Science, Canadian Edition


Edition: 2nd
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ShadiasShadias
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dracko Author
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6 years ago
Good timing, thanks!
bahajo
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Yesterday
Helped a lot
vernonb
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2 hours ago
You make an excellent tutor!
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