6.(15)An operon in E. coli is controlled by a repressor that binds at the two operator sites (O, and O2 diagrammed in the figure below In the presence of the appropriate inducer, a transcription rate of 100 is observed, but in the absence of inducer, the transcription rate falls to 5. if either of the two sites is mutated so that the repressor cannot bind then the transcription rate is observed to be 100 Additionally, if base pairs are inserted at the arrow, the level of transcription is found to vary with the size of the insert as shown in the graph below. Briefly explain this data.6. (15) An operon in E. coli is controlled by a repressor that binds at the two operator sites (O1 and O2 ) diagrammed in the figure below. In the presence of the appropriate inducer, a transcription rate of 100 is observed, but in the absence of inducer, the transcription rate falls to 5. If either of the two sites is mutated so that the repressor cannot bind, then the transcription rate is observed to be 100. Additionally, if base pairs are inserted at the arrow, the level of transcription is found to vary with the size of the insert as shown in the graph below. Briefly explain this data