Multiple Choice
Which of the following statements concerning transcription is true?
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15. Gene Expression
Introduction to Transcription
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How many subunits make up the core RNA polymerase of a bacterium?
A
5 subunits
B
6 subunits
C
4 subunits
D
3 subunits
Verified step by step guidance1
Understand the role of RNA polymerase in bacteria: RNA polymerase is an enzyme responsible for synthesizing RNA from a DNA template during transcription.
Identify the components of the bacterial RNA polymerase: The core enzyme is composed of multiple subunits that work together to perform transcription.
Learn about the specific subunits: In bacteria, the core RNA polymerase typically consists of the subunits β, β', α (two copies), and ω.
Count the subunits: Add up the number of each type of subunit to determine the total number of subunits in the core RNA polymerase.
Verify the total: Ensure that the sum of the subunits matches the known structure of bacterial RNA polymerase, which is commonly accepted to be 5 subunits.
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