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Genetic Regulation Prokaryotes

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

1
3
2
4

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Genetic Regulation Prokaryotes
DNA is methylated at

CG sequences
AC sequences
CAAT sequences
TATA sequences

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

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

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

3
1
4
2

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

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

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

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

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