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Ch 7. Control of gene expression.

gene regulatory protein

Any protein that binds to a specific DNA sequence to alter expression of a gene.


A structural motif common to many DNA binding proteins


A group of consecutive prokaryotic genes transcribed from a single promoter


DNA sequence to which RNA polymerase binds to begin transcription


Gene silencing on one of the two X-chromosomes in somatic cells of female mammals

DNA methylation

Addition of a -CH3 group to cytosines in CG sequences of vertebrates

Alternative RNA splicing

Different proteins produced from the same gene by combination of different exons


Defense mechanism directed against double stranded foreign RNA molecules

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