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Genetic Regulation Prokaryotes

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

4
3
1
2

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Genetic Regulation Prokaryotes
Catabolite activating protein exerts __________ control on transcription of the lac operon genes.

none of these
positive
negative
may be positive or negative

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

tubulin
tachykinins
DNA methylation
leucine zippers

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Genetic Regulation Prokaryotes
DNA is methylated at

CG sequences
CAAT sequences
TATA sequences
AC sequences

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Genetic Regulation Prokaryotes
Tubulin is regulated by

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

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Genetic Regulation Prokaryotes
In the presence of high levels of tryptophan

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

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