Q. Removal of introns and joining the exons in a defined order in a transcription unit is called :
(a) capping
(b) splicing
(c) tailing
(d) transformation
Solution :
Correct option : A 1.Splicing refers to the process by which the non-coding regions of genes (introns) are removed and the coding regions (exons) are joined to form mature mRNA. 2.The joining is performed in a defined order.