Introns in pre-mRNA:
A) code for specific protein domains.
B) are spliced out of the message.
C) move within the mRNA, giving rise to new exon combinations.
D) protect pre-mRNA from enzyme degradation.
E) code for important amino acid sequences.

Question

Quizplus · Accepted Answer

Introns are non-coding sequences in pre-mRNA that are removed or spliced out during the process of mRNA maturation, leaving only the coding sequences (exons) to be translated into protein.

Introns in Pre-MRNA