Which of the Following Is False with Regard to the Operator

Multiple Choice

Which of the following is false with regard to the operator segment in an operon?
1) Operator regions are contiguous with promoter regions.
2) Operator regions are often located between the promoters and the structural genes that they regulate.
3) Repressors bind to the operator and turn on transcription.

A) 1
B) 2
C) 3
D) 1 and 2
E) 2 and 3