Each Nucleotide is Composed of ________

Question

Each nucleotide is composed of ________.
A)one phosphate,one nitrogenous base,and one sugar
B)one phosphate,one nitrogenous base,and two sugars
C)two phosphates,one nitrogenous base,and one sugar
D)two phosphates,one nitrogenous base,and two sugars
E)one phosphate,two nitrogenous bases,and one sugar

Accepted Answer

A nucleotide is made up of three components - a phosphate group, a nitrogenous base, and a sugar molecule. The sugar molecule can be either ribose (found in RNA) or deoxyribose (found in DNA). Therefore, option A - one phosphate, one nitrogenous base, and one sugar - is the correct choice.