Name the nitrogenous base which is absent in DNA but present in RNA.

-DNA and RNA are genetic material present in the cell.
-DNA is Deoxyribonucleic acid and RNA stands for Ribonucleic acid.
-A nucleotide is made up of Pentose sugar, nitrogenous bases and a phosphoric acid group.
-Nitrogenous bases present in DNA are adenine, guanine, cytosine, thymine.
-Nitrogenous bases present in RNA are adenine, guanine, cytosine, uracil.