Which of the following statements best describes the role of $\sigma$ factors in bacterial gene expression?
A)" $\sigma$ factors determine which RNA polymerase is used during transcription."
B)" $\sigma$ factors mediate the excision of intronic sequences."
C)" $\sigma$ factors can be used to express certain genes necessary based on cell type."
D)" $\sigma$ factors bind to the TATA box and initiate transcription."
E)"none of the above"

Question

Which of the following statements best describes the role of  $\sigma$ factors in bacterial gene expression?
A)" $\sigma$ factors determine which RNA polymerase is used during transcription."
B)" $\sigma$ factors mediate the excision of intronic sequences."
C)" $\sigma$ factors can be used to express certain genes necessary based on cell type."
D)" $\sigma$ factors bind to the TATA box and initiate transcription."
E)"none of the above"

Quizplus · Accepted Answer

The Answer of Which of the following statements best describes the role of  $\sigma$ factors in bacterial gene expression?
A)" $\sigma$ factors determine which RNA polymerase is used during transcription."
B)" $\sigma$ factors mediate the excision of intronic sequences."
C)" $\sigma$ factors can be used to express certain genes necessary based on cell type."
D)" $\sigma$ factors bind to the TATA box and initiate transcription."
E)"none of the above"

Which of the Following Statements Best Describes the Role Of \sigma