Question

How is transcription initiated and terminated? what is the importance of the promoter consensus sequence? how and why do consensus sequences differ from one another?

Answer 1

Transcription is initiated when the RNA Polymerase binds to promoter region and transcription is ended when RNA Polymerase binds to termination sequence.

Promoter consensus sequence is important as it is the ideal promoter sequence and is used to judge the promoter's strength. The consensus sequence can be different for different group.

Transcription is the process of forming mRNA from DNA for the purpose of protein synthesis. The initiation occurs when the polymerase binds the promoter and stops when binds the terminator sequence.

Promoter consensus sequence is a sequence that is ideal as promoter. It is a theoretical sequence and the sequence most close to it is considered to be better. We can find different consensus sequence.

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