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Genetic Regulation Prokaryotes

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

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

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Genetic Regulation Prokaryotes
Tubulin is regulated by

binding of tubulin to DNA
binding of tubulin to tubulin mRNA
splicing of the tubulin transcript
binding of tubulin to the tubulin translational product

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Genetic Regulation Prokaryotes
What are genes?

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

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

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

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Genetic Regulation Prokaryotes
Genes which need to be coordinately regulated but are not in operons may be regulated by

common transcription factor binding domains
CAAT regions
TATA boxes
GC regions

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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 are restricted to a specific gene
they initiate transcription

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