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GENETIC REGULATION PROKARYOTES

Genetic Regulation Prokaryotes
A frameshift mutation occurs in the sigma subunit gene transcribed as part of SPOl early genes. What will be the immediate result?

Middle genes will not be transcribed
The bacterial host will lyse immediately
Infection will proceed as usual
Early genes will not be translated

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Genetic Regulation Prokaryotes
In the presence of high levels of tryptophan

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

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Genetic Regulation Prokaryotes
Tubulin is regulated by

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

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

CAAT regions
common transcription factor binding domains
TATA boxes
GC regions

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Genetic Regulation Prokaryotes
What are genes?

The functional unit of inheritance
A fragment of DNA
All of these
A portion of a chromosome

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