  The uprights are called the backbone and is made up of ribose (a pentose sugar) and phosphate. The rungs are the bases that are the actual coding bit of DNA. These are c â¦ arbon and nitrogen-based molecules that attach to the backbone.he rungs are made up of four nitrogen bases called Guanine, Thymine, Adenine, and Cytosine. Adenine (A) always pairs up with Thymine(T). Guanine (G) always pairs up Cytosin â¦ e(C). The object that connects them is a hydrogen base.
Travel to Ionian islands: Travel information about flights and ferries to Ionian islands. There are airports in Corfu, Lefkada (Aktion/Preveza), Kefalonia, Zakynthos and Kythira. The airports of Corfu, Kefalonia and Zakynthos receive domestic flights from Athens and Thessaloniki and also charter flights from abroad in summer.
Top Destinations in Ionian Islands. About Flying to Ionian Islands. Pack your luggage, schedule your Ionian Islands flights, and get ready for an excursion unlike any you've ever been on. At Expedia, we get that the interesting part is in the prep work when it's time for your next journey.