Procedure bacterial genes within the genome of thousands of genes, which promotper is another factor that affects gene expression. It is sometimes found that the expression of high due to promotper that serves to regulate the expression of a strong promoter, while if a weak promoter, it will result in the expression of genes with less so on. Escherchai coli bacteria, the expression of every 2 seconds when the gene is controlled by the promoters of the force. While some of these genes are expressed every 10 minutes if the light is controlled with promotper transcription occurs more or less, there are many factors involved.