background preloader

Great teaching links

Facebook Twitter

DNA Interactive: Discovering the DNA Structure and beyond. Essential Biochemistry - DNA Replication. Personal Genetics Education Project. DNA Animations. Animation Adenine (A), cytosine (C), guanine (G), and thymine (T) are the components of nucleic acid that make up DNA.

DNA Animations

In 1950, Erwin Chargaff published a paper stating that in the DNA of any given species, the ratio of adenine to thymine is equal, as is the ratio of cytosine to guanine. This became known as Chargaff's ratio, and it was an important clue for solving the structure of DNA.