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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
What are genes?

A fragment of DNA
All of these
The functional unit of inheritance
A portion of a chromosome

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

1
2
3
4

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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
the X autosome balance equals 0.5
None of these

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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
common transcription factor binding domains
TATA boxes
GC regions

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Genetic Regulation Prokaryotes
Methylated gene are

dynamic
silent
active
either (a) or (b)

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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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