Question

question 5 of 10
what is the role of the noncoding dna segment called a promoter?
a. it protects the ends of the chromosome.
b. it contains codes for nucleic acids rather than proteins.
c. it regulates how coding sequences are copied during transcription.
d. it copies other sections of dna to make genes.

Explanation:

Promoters are DNA - binding sites for RNA polymerase, controlling transcription initiation and thus regulating how coding sequences are copied.

Answer:

C. It regulates how coding sequences are copied during transcription.