  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.
Palermo-International Airport. This Italy airport located on the northern coast of the southern island of Sicily has a single modern terminal with all mod cons. It facilitates both international and domestic flights and is the main centre for all the flights to the island.rieste-International Airport. This airport in Italy is situated to the north east of Italy has a single flight terminal and receives both domestic and international flights. Every year this airport receives a million of passengers as it is the most frequented airport of Italy. It connects Venice, Slovenia and Croatia.