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Genetic Regulation Prokaryotes

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

O
I
none of these
P

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Genetic Regulation Prokaryotes
Which of the following is not a transcription factor?

Helix-turn-helix proteins
Steroid hormones
Leucine zipper proteins
Zinc finger proteins

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Genetic Regulation Prokaryotes
DNA is methylated at

CAAT sequences
AC sequences
TATA sequences
CG sequences

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

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

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Genetic Regulation Prokaryotes
Sex hormones activate transcription of specific genes by

binding to RNA polymerase
binding to DNA enhancer region
binding to DNA promoter region
binding to a transcription factor

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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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