Nucleic Acids Word AssociationVersión en línea Nucleic Acids Word Association por kenneth thomas 1 Group 1 2 Group 2 3 Group 3 4 Group 4 5 Group 5 6 Group 6 7 Group 7 8 Group 8 9 Group 9 10 Group 10 11 Group 11 12 Group 12 found in nucleus ribose sugar in rna purines A, G pyrimadines C, U Adnsine pairs with Thyamin pairs with Guanine pairs with Cytosine pairs with lacks phosphate nucleosides unwinds topoisomerase transcription 5' to 3' translation in cytoplasm peptidyl transferase links amino acids with phosphate group nucleotides