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Genetic Regulation Prokaryotes

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

negative
positive
may be positive or negative
none of these

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Genetic Regulation Prokaryotes
A mutation in the tip binding site of the repressor would result in

None of these
inducible trp operon expression
constitutive trp operon expression
no operon expression

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

4
1
3
2

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

tachykinins
tubulin
DNA methylation
leucine zippers

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Genetic Regulation Prokaryotes
DNA is methylated at

CG sequences
AC sequences
TATA sequences
CAAT sequences

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Genetic Regulation Prokaryotes
In the presence of high levels of tryptophan

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

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