Multiple Choice
What is the primary function of RNA polymerase during transcription?
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15. Gene Expression
Introduction to Transcription
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Which of the following is a similarity between eukaryotic and bacterial transcriptional regulation?
A
Both use RNA polymerase to synthesize RNA from a DNA template.
B
Both involve the use of enhancers located far from the promoter.
C
Both utilize operons to regulate gene expression.
D
Both require a TATA box for transcription initiation.
Verified step by step guidance1
Begin by understanding the process of transcription, which is the synthesis of RNA from a DNA template. This process is fundamental to both eukaryotic and bacterial cells.
Recognize that RNA polymerase is the enzyme responsible for synthesizing RNA in both eukaryotic and bacterial cells. This is a key similarity in transcriptional regulation across these organisms.
Consider the role of enhancers in transcription. Enhancers are DNA sequences that can increase the transcription of genes and are typically found in eukaryotic cells, often located far from the promoter region.
Understand the concept of operons, which are a group of genes regulated together, commonly found in bacterial cells. Eukaryotic cells do not typically use operons for gene regulation.
Examine the TATA box, a DNA sequence found in the promoter region of many eukaryotic genes, which is crucial for transcription initiation. Bacterial transcription does not generally require a TATA box.
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