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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
DNA is methylated at

CAAT sequences
AC sequences
TATA sequences
CG sequences

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Genetic Regulation Prokaryotes
Sex determination in Drosophila involves

gene amplification
none of these
methylation
alternate splicing

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Genetic Regulation Prokaryotes
What are genes?

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

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Genetic Regulation Prokaryotes
In the presence of tryptophan in the cell, the repressor is __________

bound to both DNA and tryptophan
bound to DNA
bound to tryptophan
bound to neither tryptophan nor DNA

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

4
3
1
2

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

negative
positive
none of these
may be positive or negative

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