DNA (Deoxyribonucleic Acid)
Watson and Crick
DNA Molecules x8b8Ihttp:// x8b8I
Structure of DNA Deoxyribonucleic Acid DNA is one of the two nucleic acids –DNA –RNA It is composed of repeating subunits (monomers) called NUCLEOTIDES. A nucleotide has three components –– deoxyribose (sugar) –A phosphate –A nitrogenous base
Nitrogenous Bases Adenine (A) Guanine (G) Cytosine (C) Thymine (T)
The Double Helix A always pairs with T C always pairs with G
Hip Hip Horay for DNA om/watch?v=FUA6 _Ucw3i4 Eds5taX4http:// Eds5taX4