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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
The first protein complex to bind to the TATA box is

all of these
transcription factor IIB
transcription factor IIA
transcription factor IID

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Genetic Regulation Prokaryotes
Enhancers differ from promoters in that

their orientation can be inverted without effect
they are adjacent to the start codon
they initiate transcription
they are restricted to a specific gene

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Genetic Regulation Prokaryotes
Methylated gene are

either (a) or (b)
dynamic
active
silent

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Genetic Regulation Prokaryotes
Sex determination in Drosophila involves

none of these
methylation
gene amplification
alternate splicing

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

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

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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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