Multiple Choice
Which of the following statements is true regarding epigenetic changes?
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16. Regulation of Expression
Introduction to Eukaryotic Gene Regulation
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Which of these levels of eukaryotic gene control is considered the most critical?
A
Post-translational control
B
Post-transcriptional control
C
Translational control
D
Transcriptional control
Verified step by step guidance1
Understand that gene expression in eukaryotes is regulated at multiple levels, including transcriptional, post-transcriptional, translational, and post-translational control.
Recognize that transcriptional control refers to the regulation of the process by which DNA is transcribed into RNA. This is often the first step in gene expression and can determine whether a gene is expressed at all.
Consider that transcriptional control involves mechanisms such as the binding of transcription factors to DNA, the modification of chromatin structure, and the presence of enhancers or silencers that can increase or decrease transcription rates.
Acknowledge that because transcriptional control occurs early in the gene expression process, it can prevent the production of unnecessary RNA and proteins, making it a highly efficient point of regulation.
Conclude that transcriptional control is often considered the most critical level of gene control in eukaryotes because it sets the stage for all subsequent steps in gene expression.
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