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Review Figure 19

question 32

Multiple Choice

Review Figure 19.15 below: Review Figure 19.15 below:   Which one of the following statements about the lactose operon is NOT correct? A) The lacZ coding sequence for <font face= symbol ></font>-galactosidase and lacY coding sequence for lactose permease are genes called structural genes. B) lacO is a gene sequence coding for the operator. C) The promoter sequence recruits RNA polymerase complex and the initiation of transcription. D) lacI is a gene sequence coding for the repressor which binds to the operator, inhibiting transcription. E) The CRP-cAMP binding site promotes transcription of lactose operon genes if cAMP is high, which indicates that glucose is low and lactose metabolism is needed for energy production. Which one of the following statements about the lactose operon is NOT correct?


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