BioFlix Activity: Protein Synthesis -RNA Processing Drag the correct labels under the diagrams to identify the events of RNA processing View Available Hint(s) ResetHelp The completed A modified guanine Extra adenine Segments of the RNA Segments of the RNA strand that do not messenger RNA (mRNA) leaves the nucleus. nucleotide is added tonucleotides are added that do code for the protein are actually code for the the beginning of the to the end of the RNA RNA strand as a cap . strand, forming a tail protein are removed 1 4.