Multiple Choice
Which of the following is true for both prokaryotic and eukaryotic gene expression?
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15. Gene Expression
Introduction to Transcription
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The transcription initiation site of a eukaryotic gene is found at which location?
A
The promoter region
B
The terminator region
C
The intron region
D
The enhancer region
Verified step by step guidance1
Understand the role of the transcription initiation site: It is the location where RNA polymerase binds to start transcribing DNA into RNA.
Identify the promoter region: This is a sequence of DNA that is located upstream of the transcription start site and is crucial for the initiation of transcription.
Recognize that the promoter region contains specific sequences, such as the TATA box, which are recognized by transcription factors and RNA polymerase.
Differentiate between the promoter and other regions: The terminator region signals the end of transcription, introns are non-coding sequences within a gene, and enhancers are regulatory sequences that can increase transcription efficiency but are not the initiation site.
Conclude that the transcription initiation site is located within the promoter region, as this is where transcription begins.
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