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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
DNA is methylated at

CAAT sequences
TATA sequences
AC sequences
CG sequences

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

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

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

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

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Genetic Regulation Prokaryotes
In the presence of tryptophan in the cell, the repressor is __________

bound to DNA
bound to both DNA and tryptophan
bound to tryptophan
bound to neither tryptophan nor DNA

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

common transcription factor binding domains
GC regions
CAAT regions
TATA boxes

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Genetic Regulation Prokaryotes
Sex determination in Drosophila involves

alternate splicing
methylation
none of these
gene amplification

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