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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
The lac operon is transcribed in which segments?

2
4
3
1

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Genetic Regulation Prokaryotes
Enhancers differ from promoters in that

they are adjacent to the start codon
their orientation can be inverted without effect
they initiate transcription
they are restricted to a specific gene

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

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

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

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

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

tachykinins
tubulin
leucine zippers
DNA methylation

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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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