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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
What are genes?

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

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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
inducible trp operon expression
no operon expression

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

tubulin
DNA methylation
leucine zippers
tachykinins

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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
Early genes will not be translated
Middle genes will not be transcribed
Infection will proceed as usual

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Genetic Regulation Prokaryotes
Which of the following is not part of the lac operon?

I
P
none of these
O

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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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