A promoter sequence is
A)a DNA sequence that determines which genes are turned on for coding.
B)the beginning DNA sequence for all DNA molecules.
C)the initial set of bases showing where an exon begins.
D)the DNA code that begins protein synthesis.
E)none of the above

Question

Quizplus · Accepted Answer

A promoter sequence is a DNA sequence that determines which genes are turned on for coding. It is located near the transcription start site and ensures that RNA polymerase binds to the correct site to begin transcription.

A Promoter Sequence Is