A primary transcript in the nucleus of a eukaryotic cell is _____ the functional mRNA,while a primary transcript in a prokaryotic cell is _____ the functional mRNA.
A)the same size as;the same size as
B)larger than;the same size as
C)larger than;smaller than
D)the same size as;larger than

Question

Quizplus · Accepted Answer

In eukaryotes, the primary transcript undergoes processing (splicing, capping, polyadenylation) to become functional mRNA, making it initially larger. In prokaryotes, the primary transcript is often the functional mRNA, so they are the same size.

A Primary Transcript in the Nucleus of a Eukaryotic Cell