Following are some statements about the structural features of nucleic acids. Identify whether the statement refers to double-stranded DNA, to RNA, to both, or to neither by dragging the statement into the appropriate bin. Note: If you answer this question incorrectly, a single red X will appear indicating that one or more of the phrases are sorted incorrectly. In base composition, %A = %T. Sugars are connected with a 2-5' phosphodiester link. Secondary structure is primarily a double helix. Contains the sugar ribose. contains a 2' hydroxyl group Commonly exists in a variety of secondary structures. Contains the purine guanine. Bases are attached to sugars in a beta N-glycosidic linkage Sugars are connected with a 3-5' phosphodiether link. In base composition, %A = %C always. Contains the pyrimidine thymine.