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.
The âtypicalâ firefighter in the U.S. makes $45,970 per year, or $23 per hour, but thatâs like quoting the salary for the âtypical videographer.â Some videographers make very little money shooting low-end weddings while some shoot documentaries for national TV.