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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
What are genes?

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

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Genetic Regulation Prokaryotes
Alternate splicing of RNA transcripts is a mechanism to regulate

leucine zippers
tachykinins
DNA methylation
tubulin

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Genetic Regulation Prokaryotes
Sex determination in Drosophila involves

alternate splicing
gene amplification
none of these
methylation

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Genetic Regulation Prokaryotes
Catabolite activating protein exerts __________ control on transcription of the lac operon genes.

may be positive or negative
none of these
positive
negative

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Genetic Regulation Prokaryotes
Enhancers differ from promoters in that

their orientation can be inverted without effect
they are restricted to a specific gene
they initiate transcription
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 equals 0.5
the X autosome balance is less than 0.5
the X autosome balance is 1 or greater
None of these

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