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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
Methylated gene are

dynamic
active
either (a) or (b)
silent

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

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Genetic Regulation Prokaryotes
Sex lethal (sxl) in Drosophila is transcribed when

the X autosome balance is 1 or greater
the X autosome balance is less than 0.5
the X autosome balance equals 0.5
None of these

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

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

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

3
4
2
1

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Genetic Regulation Prokaryotes
What are genes?

The functional unit of inheritance
All of these
A fragment of DNA
A portion of a chromosome

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