In the process of transcription,the sigma fac | vedclass

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(A) The process of transcription in prokaryotes involves the $RNA$ polymerase enzyme. The $RNA$ polymerase holoenzyme consists of the core enzyme and

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Initiation

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(A) The process of transcription in prokaryotes involves the $RNA$ polymerase enzyme. The $RNA$ polymerase holoenzyme consists of the core enzyme and the sigma factor $(\sigma)$. The sigma factor is specifically responsible for the recognition of the promoter site on the $DNA$ template,which facilitates the binding of the $RNA$ polymerase to the $DNA$. This binding and the subsequent start of $RNA$ synthesis is known as the initiation phase. Therefore,the sigma factor is essential for the initiation of transcription.

In the process of transcription,the sigma factor is important for:

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