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Which of the following statements correctly describes the primary difference between enhancers and proximal control elements?
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16. Regulation of Expression
Eukaryotic Transcriptional Control
Scelta multipla
Enhancers __________.
A
increase the rate of transcription
B
are found in eukaryotic genomes
C
may be located upstream or downstream from the genes they regulate
D
may be located thousands of base pairs away from the promoter
E
All of the listed responses are correct.
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Understand that enhancers are DNA sequences that play a crucial role in the regulation of gene expression in eukaryotic cells.
Recognize that enhancers increase the rate of transcription by binding to specific proteins called transcription factors, which help initiate the transcription process.
Note that enhancers are found in eukaryotic genomes, meaning they are present in organisms with complex cell structures, including plants, animals, and fungi.
Realize that enhancers can be located either upstream (before) or downstream (after) the genes they regulate, providing flexibility in gene regulation.
Acknowledge that enhancers can be located thousands of base pairs away from the promoter, the region where transcription begins, yet still effectively influence gene expression.
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