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Genetic Regulation Prokaryotes

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

O
I
P
none of these

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

leucine zippers
tachykinins
tubulin
DNA methylation

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

3
4
2
1

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Genetic Regulation Prokaryotes
Methylated gene are

silent
either (a) or (b)
dynamic
active

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Genetic Regulation Prokaryotes
Enhancers differ from promoters in that

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

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

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

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