Both DNA and RNA are composed of Nucleotides. RNA and DNA molecule are both similar with the following components: Phosphate group, sugar group and nitrogenous bases. These serve as the building blocks of DNA and RNA Molecule. Since they are made from Nucleotides, both has a five carbon sugar backbone, phosphate group and nitrogenous base.
If observed, DNA and RNA has only same components except for their nitrogenous bases. DNA has Thymine while RNA has uracil.
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