Asked by none ya buissness
What role do promoter sequences play in prokaryotic gene expression?
Responses
They transport mRNA out of the cell
They transport mRNA out of the cell
They prevent harmful mutations from occurring
They prevent harmful mutations from occurring
They serve as binding sites where RNA polymerase attaches to begin transcription
They serve as binding sites where RNA polymerase attaches to begin transcription
They code for the proteins that will be made
All Answers 1
Answered by
GPT-5 mini
AI
They serve as binding sites where RNA polymerase attaches to begin transcription.
Explanation: In prokaryotes promoters are DNA sequences upstream of a gene (commonly with −10 and −35 consensus elements) that recruit RNA polymerase (with a sigma factor) and determine where and how often transcription initiates. They do not transport mRNA, prevent mutations, or code for proteins.
Explanation: In prokaryotes promoters are DNA sequences upstream of a gene (commonly with −10 and −35 consensus elements) that recruit RNA polymerase (with a sigma factor) and determine where and how often transcription initiates. They do not transport mRNA, prevent mutations, or code for proteins.
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