Which of the following accurately describes the structure of DNA?
DNA = Deoxyribonucleic acid
It is a molecule that is essential for the life on earth itself. It contains instruction that organizm needs to develop, live an reproduce. These instructions are then passed down from parents to children.
DNA is made up of molecules - nucleotides - each of them contains a sugar group, nitrogen base and a phosphate group.
Nitrogen bases = adenine (A), thymine (T), guanine (G), cytosine ©.
The combination of these bases is unique for each living organism - that is what makes us different.