Q. Nitrogen base + Pentose sugar + Phosphate group is

 2029  193 AMUAMU 2012Biomolecules Report Error

Solution:

A nucleotide is formed by the union of a phosphate group with a nucleoside. A nucleoside, intact, contains a sugar molecule along with an organic nitrogen base. Thus, a nucleotide contains an organic nitrogen base along with a sugar molecule and a phosphate group,
i.e., Nucleoside = Sugar molecule + organic nitrogenous base Nucleotide = Nucleoside + phosphate group.