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Genetic Regulation Prokaryotes

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

DNA methylation
tubulin
tachykinins
leucine zippers

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Genetic Regulation Prokaryotes
Which of the following occur in the presence of glucose?

cAMP increases
None of these
lac Z gene expression is increased
Binding of CAP-cAMP complex to the promoter area decreases

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

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

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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 tryptophan
bound to DNA
bound to both DNA and tryptophan

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Genetic Regulation Prokaryotes
In the presence of high levels of tryptophan

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

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

1
2
3
4

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