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Questions and Answers
What is the primary role of transcription in gene expression?
What is the primary role of transcription in gene expression?
Which RNA molecule serves as the template for protein synthesis?
Which RNA molecule serves as the template for protein synthesis?
In bacterial transcription, which strand of DNA serves as the template strand?
In bacterial transcription, which strand of DNA serves as the template strand?
During transcription, which nucleotide replaces thymine in RNA?
During transcription, which nucleotide replaces thymine in RNA?
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What is the consequence of cytosine deamination in DNA?
What is the consequence of cytosine deamination in DNA?
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What is the function of the σ subunit in bacterial RNA polymerase?
What is the function of the σ subunit in bacterial RNA polymerase?
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What defines a polycistronic operon in bacterial transcription?
What defines a polycistronic operon in bacterial transcription?
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Which element of the bacterial promoter is typically recognized by RNA polymerase?
Which element of the bacterial promoter is typically recognized by RNA polymerase?
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In DNA footprinting, what does the “footprint” represent?
In DNA footprinting, what does the “footprint” represent?
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Which sequences are characteristic of a strong bacterial promoter?
Which sequences are characteristic of a strong bacterial promoter?
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What is the initial step in the transcription process?
What is the initial step in the transcription process?
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During the elongation phase of transcription, what happens to the RNA:DNA hybrid?
During the elongation phase of transcription, what happens to the RNA:DNA hybrid?
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Which mechanism is involved in rho-independent transcription termination?
Which mechanism is involved in rho-independent transcription termination?
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What is the significance of the ω subunit in bacterial RNA polymerase?
What is the significance of the ω subunit in bacterial RNA polymerase?
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What distinguishes RNA polymerase from DNA polymerase?
What distinguishes RNA polymerase from DNA polymerase?
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What is a common feature of bacterial transcription units?
What is a common feature of bacterial transcription units?
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Which of the following is true regarding the termination of transcription in bacteria?
Which of the following is true regarding the termination of transcription in bacteria?
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What is the typical rate of RNA elongation by bacterial RNA polymerase?
What is the typical rate of RNA elongation by bacterial RNA polymerase?
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Which of the following statements about σ factors is correct?
Which of the following statements about σ factors is correct?
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What triggers the transition from the closed promoter complex to the open promoter complex?
What triggers the transition from the closed promoter complex to the open promoter complex?
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How does the presence of a hairpin structure in RNA contribute to transcription termination?
How does the presence of a hairpin structure in RNA contribute to transcription termination?
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What is the role of topoisomerase during transcription?
What is the role of topoisomerase during transcription?
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Which of the following is true regarding the -35 and -10 consensus sequences?
Which of the following is true regarding the -35 and -10 consensus sequences?
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What is the primary function of ribosomal RNA (rRNA)?
What is the primary function of ribosomal RNA (rRNA)?
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Which type of RNA is specifically involved in bringing amino acids to the ribosome during translation?
Which type of RNA is specifically involved in bringing amino acids to the ribosome during translation?
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What happens to the RNA polymerase once transcription is terminated?
What happens to the RNA polymerase once transcription is terminated?
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What is the effect of having a strong promoter sequence in bacterial transcription?
What is the effect of having a strong promoter sequence in bacterial transcription?
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What is the typical structure of bacterial RNA polymerase?
What is the typical structure of bacterial RNA polymerase?
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What is the significance of the +1 position in a bacterial promoter?
What is the significance of the +1 position in a bacterial promoter?
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