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8 Cards in this Set

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  • Back
Activator:
A transcriptional regulatory protein that increases the rate of transcription.
Chromatin Remodeling:
A change in chromatin structure that alters the degree of compaction and/or the spacing of nucleosomes.
DNA methylation:
The phenomenon in which an enzyme covalently attaches a methyl group to a base (usually adenine or cytosine) in DNA.
Enhancer:
A DNA sequence that functions as a regulatory element. The binding of a regulatory transcription factor to the enhancer increases the level of transcription.
Housekeeping genes:
A gene that encodes a protein required in most cells of a multicellular organism.
Repressors:
A regulatory protein that binds to DNA and inhibits transcription
RNAi:
The phenomenon that double-stranded RNA targets complementary RNAs within the cell for degradation.
Silencer:
A DNA sequence that functions as a regulatory element. The binding of a regulatory transcription factor to the silencer decreases the level of transcription.