10 terms

operon

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promoter
binding site of RNA polymerase
operator
regulatory switch controlling the operon
repressor protein
binds to operator to prevent transcription of genome
regulatory gene
makes the repressor protein
repressible system
usually turned on such as tryptophan operon
inducible system
usually turned off such as lactose operon
copresssor
turns tryptophan operon off
inducer
turns on lactose operon
negative control
regulatory protein turns off the gene transcription
positive control
regulatory protein turns on the gene transcription
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