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.
1. Gisele BÃ¼ndchen: $47 million. Gisele BÃ¼ndchen is the world's highest-paid model for the eighth year running. At the time of the 2014 list being published in August last year, the Brazilian supermodel had made $47 million in the last 12 months. This puts her well ahead of her peers, and she has lucrative contracts with Chanel, H&M and Pantene to thank for her massive earnings.