Scientists Once Believed That Each Gene Can Encode a Single

Multiple Choice

Scientists once believed that each gene can encode a single polypeptide. We now know that _____ and _____ allow a single gene to encode more than one polypeptide.

A) transcription; translation
B) polyadenylation; RNA transport
C) DNA methylation; chromatin condensation
D) alternative processing; RNA editing
E) gene silencing; RNA interference