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Multiple Choice
Which step occurs when RNA polymerase attaches to the promoter DNA during transcription?
A
Termination
B
Initiation
C
Splicing
D
Elongation
Verified step by step guidance
1
Understand the process of transcription, which is the synthesis of RNA from a DNA template. It involves several key steps: initiation, elongation, and termination.
Identify the role of RNA polymerase in transcription. RNA polymerase is the enzyme responsible for reading the DNA template and synthesizing the RNA strand.
Learn about the promoter region in DNA. The promoter is a specific sequence of DNA that signals the start of transcription. It is where RNA polymerase binds to initiate transcription.
Recognize that the initiation step of transcription begins when RNA polymerase attaches to the promoter DNA. This binding is crucial for the transcription process to start.
Differentiate between the steps of transcription: initiation (RNA polymerase binding to the promoter), elongation (RNA strand synthesis), and termination (completion of RNA synthesis).