One of these genes encodes for diphtheria toxin. Structure And Function Of Dna Microbiology Mrna moves from the nucleus to the cytoplasm following rna processing.Ĭan you label the way nucleotides pair up in replicating dna_. Part a nucleotide pairing drag the labels onto the diagram to identify how nucleotides pair up. A pairs with t with 2 hydrogen bonds linking them.