1. The Players (Regulatory Proteins & Elements)
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Last updated 1:30 AM on 3/20/26
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10 Terms
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Transcription Regulators
Proteins that bind to specific DNA sequences to control whether a gene is "read" (transcribed) by RNA polymerase.
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Transcription Activators
Proteins that bind to DNA to increase the rate of transcription (the "gas pedal").
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Repressors
Proteins that bind to DNA to block RNA polymerase, preventing transcription (the "brake").
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Operon
A cluster of genes in prokaryotes that are transcribed together as a single mRNA molecule, controlled by one promoter.
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DNA Looping
A structural change where DNA bends to bring a distant activator protein (on an enhancer) into physical contact with the gene’s promoter.
