Several mechanisms contribute to the diversity of the mRNAs and proteins encoded by a single gene in our genome. Which of the following is normally NOT one of them?
A) Alternative choice of polyadenylation sites
B) Alternative choice of translation initiation sites
C) Alternative choice of transcription initiation sites
D) Alternative choice of the reading frames
E) Alternative choice of splice sites

Question

Quizplus · Accepted Answer

Eukaryotic cells take advantage of various mechanisms such as alternative splicing and alternative choices of polyadenylation sites, transcription start sites, and translation start sites to create a highly complex pool of gene products in the cell. Normally, however, a cellular gene is interpreted in only one of the possible reading frames.

Several Mechanisms Contribute to the Diversity of the MRNAs and Proteins