Question
which one of these options is a direct result of:

A single base change in a bacterial gene's -35 TTGACA consensus sequence

Abnormally short pre-mRNA, with the possibbility of a short but functional A. protein Abnormally long mRNA with the possibili
D. Abnormally long mRNA; may affect transcription and translation of neighboring downstream loci. No direct effect on transcr
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Answer #1

G. Reduced rate of transcription initiation.

The consensus sequence TTGACA is known as the Prinow ox and is the sequence recognised by the Sigma factor. The Sigma factor is a Transcription Initiationfactor, which recruits RNA Polymerase to the gene. A mutation in the Prinow box leads to decreased rates of transcription initiation.

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