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Genetic Regulation Prokaryotes

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

P
I
O
none of these

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Genetic Regulation Prokaryotes
In the presence of high levels of tryptophan

attenuator propogates transcription
None of these
attenuator allows transcription of trp structural genes
attenuator terminates transcription

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Genetic Regulation Prokaryotes
Tubulin is regulated by

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

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

TATA boxes
GC regions
CAAT regions
common transcription factor binding domains

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Genetic Regulation Prokaryotes
Sex determination in Drosophila involves

none of these
gene amplification
methylation
alternate splicing

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Genetic Regulation Prokaryotes
Enhancers differ from promoters in that

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

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