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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
Sex determination in Drosophila involves

none of these
methylation
gene amplification
alternate splicing

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Genetic Regulation Prokaryotes
In the presence of tryptophan in the cell, the repressor is __________

bound to both DNA and tryptophan
bound to tryptophan
bound to neither tryptophan nor DNA
bound to DNA

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Genetic Regulation Prokaryotes
Alternate splicing of RNA transcripts is a mechanism to regulate

tubulin
tachykinins
DNA methylation
leucine zippers

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Genetic Regulation Prokaryotes
A mutation in the tip binding site of the repressor would result in

None of these
constitutive trp operon expression
no operon expression
inducible trp operon expression

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Genetic Regulation Prokaryotes
A frameshift mutation occurs in the sigma subunit gene transcribed as part of SPOl early genes. What will be the immediate result?

Early genes will not be translated
Infection will proceed as usual
The bacterial host will lyse immediately
Middle genes will not be transcribed

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Genetic Regulation Prokaryotes
Methylated gene are

either (a) or (b)
dynamic
silent
active

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