Molecular structure of DNA. The basic unit of DNA is the nucleotide, consisting of a phosphate group, a sugar molecule (deoxyribose) and one of four nucleobases (also known as bases): adenine (A), thymine (T), guanine (G) or cytosine (C).
Majors That Pay You Back. 1  Choosing a major makes an even bigger impact on future earnings than deciding which school to attend. PayScale ranks the highest paying college majors for associate, bachelor's and graduate degrees. Top 5 Associate Degrees. A 4-year degree isn't a requirement for career success. If you want a 2-year degree that leads to high pay, check out the associate degree majors on this list.
Physicians have the highest-paying jobs on the list. Anesthesiologists lead the pack with a median annual wage of $235,070, followed by surgeons, who earn $233,150. Obstetricians and gynecologists are the third highest-earning physicians, with a median annual wage of $212,570, and orthodontists earn $196,270.