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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
The first protein complex to bind to the TATA box is

all of these
transcription factor IIA
transcription factor IIB
transcription factor IID

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Genetic Regulation Prokaryotes
The lac operon is translated into __________ proteins.

2
1
3
4

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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?

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

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Genetic Regulation Prokaryotes
Methylated gene are

silent
active
dynamic
either (a) or (b)

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Genetic Regulation Prokaryotes
Catabolite activating protein exerts __________ control on transcription of the lac operon genes.

may be positive or negative
positive
none of these
negative

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Genetic Regulation Prokaryotes
Sex determination in Drosophila involves

alternate splicing
gene amplification
methylation
none of these

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