This Day in History: 06/19/1953 - Rosenbergs executed. In This Day in History video clip: On this day in 1953, Julius and Ethel Rosenberg, who were convicted of conspiring to pass U.S. atomic secrets to the Soviets, are executed at Sing Sing Prison in Ossining, New York. Both refused to admit any wrongdoing and proclaimed their innocence right up to the time of their deaths, by the electric chair.
The bond linking a phosphate group to a sugar of a another molecule is called a phosphodiester bond.
Deoxyribose Sugar. Between the nitrogen-containing base and the phosphate group, which makes up the backbone of the DNA molecule, sits a sugar. It too has a ring form, composed of 5 atoms of carbon.he phosphate group is actually a triphosphate in DNA, which varies depending on which nitrogen-containing base it is binding to. The triphosphates include dATP, dGTP, dCTP, and dTTP, the second letter of the molecule name corresponding to whether it is binding to adenine, guanine, cytosine or thymine.