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.
Merge this question into. Split and merge into it. Answer by 1Jazz. Confidence votes 9.4K. The sugar-phosphate backbone of DNA is held together by covalent bonds. The strands of DNA are joined by hydrogen bonds (H-bonds) between the nitrogenous bases on either side. Adenine is joined to Thymine by 2 H-bonds.erge this question into. Split and merge into it. Answer by 1Jazz. Confidence votes 9.4K. The sugar-phosphate backbone of DNA is held together by covalent bonds. The strands of DNA are joined by hydrogen bonds (H-bonds) between the nitrogenous bases on either side. Adenine is joined to Thymine by 2 H-bonds.