Respuesta :
Each dna molecule consists of a phosphate group, a sugar group and a nitrogen base. The 4 nitrogen bases are adenine, thymin, guanine, cytosine.
It consists of three components:
*Phosphate, a sugar called deoxyribose,
*Four nitrogenous bases named as adenine, guanine, cytosine, and thymine.
*Phosphate, a sugar called deoxyribose,
*Four nitrogenous bases named as adenine, guanine, cytosine, and thymine.