1) nitrogenic heterocyclic base, either a purine or pyrimidine; 2) pentose sugar (deoxy- in DNA or ribo- in RNA) and 3)phosphate group
A nucleotide is composed of a combination of three of four bases A G T C (depending on whether it's DNA or RNA, replace the T with a U if RNA).
A phosphate group, a ribose sugar, and a nitrogen base (A, T, C, or G).
a phosphate group a 5-carbon sugar(deoxyribose) and a nitrogen base
1) A ribose or deoxyribose sugar 2) A phosphate group 3) A nitrogenous base