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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
The lac operon is transcribed in which segments?

1
4
3
2

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Genetic Regulation Prokaryotes
The lac operon is translated into __________ proteins.

4
3
2
1

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Genetic Regulation Prokaryotes
Enhancers differ from promoters in that

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

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

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

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Genetic Regulation Prokaryotes
Sex determination in Drosophila involves

methylation
alternate splicing
none of these
gene amplification

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

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

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