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Multiple Choice
What is the first step during transcription initiation in prokaryotes?
A
Elongation of the RNA strand
B
Binding of RNA polymerase to the promoter region
C
Unwinding of the DNA double helix
D
Termination of transcription
Verified step by step guidance
1
Understand the process of transcription initiation in prokaryotes, which involves the synthesis of RNA from a DNA template.
Identify the role of RNA polymerase, the enzyme responsible for catalyzing the synthesis of RNA during transcription.
Recognize the promoter region as a specific sequence of DNA where RNA polymerase binds to initiate transcription.
Learn that the first step in transcription initiation is the binding of RNA polymerase to the promoter region, which allows the enzyme to start the transcription process.
Note that after binding, the DNA double helix unwinds to expose the template strand, allowing RNA polymerase to begin RNA synthesis.