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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
What are genes?

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

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Genetic Regulation Prokaryotes
Tubulin is regulated by

binding of tubulin to DNA
binding of tubulin to tubulin mRNA
splicing of the tubulin transcript
binding of tubulin to the tubulin translational product

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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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Genetic Regulation Prokaryotes
Genes which need to be coordinately regulated but are not in operons may be regulated by

TATA boxes
CAAT regions
GC regions
common transcription factor binding domains

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

1
3
2
4

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Genetic Regulation Prokaryotes
Enhancers differ from promoters in that

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

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