The four building blocks of DNA are the nucleotides A, T, G, C. Each nucleotide is composed of a sugar-phosphate covalently linked to a base. The nucleotides are covalently linked together into polynucleotide chains, with a sugar-phosphate backbone. In a DNA molecule, one strand of this runs from 5' to 3' and the other from 3' to 5'.
In these states, meteorologists earn average annual salaries that range from $95,320 to $114,650, which is well above the national average. Newscasters who report the weather but are not necessarily meteorologists earn annual salaries that range from $82,950 to $91,940, according to the BLS.
TV Host Salary Information. According to the U.S. Bureau of Labor Statistics (BLS), radio and television announcers, including TV hosts, earned a mean annual wage of $41,800 in May 2013 (www.bls.gov).nnouncers working specifically in the radio and television broadcasting industry earned a mean salary of $39,980 a year. Announcers working in spectators sports earned an average of $92,360 a year.