An Intron Is

Multiple Choice

An intron is:

A) a polypeptide that is clipped out of a larger protein post-translationally.
B) an RNA sequence that is removed during the processing of an RNA molecule in the nucleus.
C) part of an intact, mature mRNA that leaves the nucleus.
D) part of an RNA transcript that is not present in the DNA template.
E) a type of transfer RNA.