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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
DNA is methylated at

TATA sequences
CAAT sequences
AC sequences
CG sequences

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

O
P
I
none of these

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Genetic Regulation Prokaryotes
Sex determination in Drosophila involves

gene amplification
alternate splicing
none of these
methylation

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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?

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

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Genetic Regulation Prokaryotes
In the presence of high levels of tryptophan

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

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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
TATA boxes
GC regions
common transcription factor binding domains

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