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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 IIA
transcription factor IIB
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 are restricted to a specific gene
they initiate transcription

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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?

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

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Genetic Regulation Prokaryotes
Sex determination in Drosophila involves

methylation
none of these
gene amplification
alternate splicing

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Genetic Regulation Prokaryotes
Sex lethal (sxl) in Drosophila is transcribed when

the X autosome balance is less than 0.5
the X autosome balance is 1 or greater
None of these
the X autosome balance equals 0.5

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

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

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