An exon is a region of DNA that is
A) At the end of the response element
B) In between response elements
C) Expressed
D) Excised in the making of mRNA
E) Promotes expression of the DNA

Question

Quizplus · Accepted Answer

Exons are regions of DNA that are expressed, meaning they are transcribed into mRNA and then translated into proteins. Unlike introns, which are removed during the mRNA splicing process, exons remain in the mRNA sequence.

An Exon Is a Region of DNA That Is