Gene Expression
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Last updated 1:21 AM on 3/13/25
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12 Terms
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Gene Expression
The process of using a gene to produce a protein.
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Regulation of Gene Expression
Ensures that correct proteins are made at the right time and place, prevents wasteful production, and allows cells to adapt to changes.
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Chromatin Modification
The chemical or structural alteration of DNA that regulates gene expression.
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Transcription
The main stage where gene expression is controlled, involving the synthesis of mRNA from DNA.
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Translation
The process of synthesizing proteins from mRNA.
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Post-transcriptional Modification
The processing of mRNA before translation.
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Regulatory Proteins
Proteins that bind to DNA and control transcription; includes activators and repressors.
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Activators
Regulatory proteins that enhance transcription by facilitating RNA polymerase binding to the promoter.
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Repressors
Regulatory proteins that inhibit transcription by blocking RNA polymerase.
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Basal Factors
Proteins that help RNA polymerase position at the start of the gene.
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Enhancers
DNA regions that help loop DNA to bring activators closer to the transcription complex.
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Post-translational Modifications
Modifications made to proteins after synthesis for proper function.
Flashcards (24)