Question
Question: Which of the following statements concerning the regulator gene (R) associated with the lac operon i...
Which of the following statements concerning the regulator gene (R) associated with the lac operon is correct?
A
mRNA is transcribed from the R gene whether lactose is present or not.
B
mRNA is transcribed from the R gene only when lactose is present.
C
mRNA is transcribed from the R gene only when lactose is not present.
D
Lactose inhibits the translation of R gene mRNA.
Answer
mRNA is transcribed from the R gene whether lactose is present or not.