Multiple Choice
Prior to transcription, RNA polymerase binds to which region of the DNA?
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10. Transcription
Overview of Transcription
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During transcription, which part of the DNA molecule serves as the template for RNA synthesis?
A
The coding (sense) strand
B
The template (antisense) strand
C
The promoter region only
D
Both strands are used equally
Verified step by step guidance1
Understand that during transcription, RNA polymerase synthesizes RNA by reading one strand of the DNA molecule.
Identify the two strands of DNA: the coding (sense) strand and the template (antisense) strand.
Recall that the template (antisense) strand is complementary to the RNA sequence being synthesized, meaning RNA polymerase uses this strand as a template.
Recognize that the coding (sense) strand has the same sequence as the RNA transcript (except that RNA has uracil instead of thymine), but it is not used as the template.
Note that the promoter region is a DNA sequence where RNA polymerase binds to initiate transcription, but it is not the template strand itself.
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