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Genetic Regulation Prokaryotes

Genetic Regulation Prokaryotes
Sex determination in Drosophila involves

none of these
alternate splicing
gene amplification
methylation

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Genetic Regulation Prokaryotes
Sex hormones activate transcription of specific genes by

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

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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
What are genes?

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

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

2
4
1
3

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Genetic Regulation Prokaryotes
Which of the following is not a transcription factor?

Steroid hormones
Leucine zipper proteins
Zinc finger proteins
Helix-turn-helix proteins

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