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Genetic Regulation Prokaryotes

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

positive
none of these
may be positive or negative
negative

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Genetic Regulation Prokaryotes
Enhancers differ from promoters in that

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

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

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

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Genetic Regulation Prokaryotes
Tubulin is regulated by

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

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Genetic Regulation Prokaryotes
DNA is methylated at

CAAT sequences
CG sequences
TATA sequences
AC sequences

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Genetic Regulation Prokaryotes
Sex hormones activate transcription of specific genes by

binding to DNA promoter region
binding to a transcription factor
binding to DNA enhancer region
binding to RNA polymerase

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