A researcher obtains a sequence of a gene of interest, including the ORF, 5' untranslated region, and 3 ' untranslated region. Which portion of the gene sequence encodes the protein?
A) the 5 ' untranslated region and the ORF only
B) the ORF only
C) the ORF and 3 ' untranslated region only
D) the 5 ' and 3 ' untranslated regions only
E) the ORF, 5 ' untranslated region, and 3 ' untranslated region

Question

Quizplus · Accepted Answer

The ORF (Open Reading Frame) is the part of a gene sequence that is translated into protein. The 5' and 3' untranslated regions do not encode protein parts; they are involved in regulation and stability of the mRNA.

A Researcher Obtains a Sequence of a Gene of Interest