Biology · Molecular Biology

The following statements are made about post-transcriptional processing: A. RNA editing can occur via the deamination of cytosine residues, leading to the formation of uracil and thus a change in the coding sequence. B. The major spliceosomal complex mediates the removal of Group II introns. C. Trans-splicing events seen in trypanosomes allow the formation of multiple gene products by bringing together different combinations of exons of three or more genes. D. Capping of eukaryotic mRNAs occurs exclusively in the nucleus of the cell. Which one of the following options represents the combination of all correct statements?