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Transposable Elements
Prokaryotic Regulation
100
A transposable element that lacks functional transposase; can move only if transposase is supplied by another element.
What is nonautonomous?
100
The lac repressor is encoded for by this gene.
What is lac I?
200
In bacteria, a gene caught between to IS elements; the basis for bacterial resistance.
What is a transposon?
200
A second mechanism of repression in the trp operon, this term describes the formation of a terminator stem when tryptophan levels are high.
What is attenuation?
300
The result of a cross between a p cytotype male and m cytotype female Drosophilia.
What is hybrid dysgenesis ?
300
In the trp operon, tryptophan acts as this.
What is a co-repressor?
400
Transposes through an RNA intermediate using reverse transcriptase in place of transposase.
What is a retrotransposon?
400
Normally bound with cAMP when the lac operon is being expressed, this protein is inactivated by glucose.
What is CAP (catabolite activator protein)?
500
The scientist who discovered transposable elements via experiments on maize kernel pigmentation.
Who is Barbara McClintock?
500
The inducer of the lac operon; also a byproduct of its enzymatic pathway.
What is allolactose?