DNA is constructed of chemical building blocks is known as nucleotides. These building blocks are constructed of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases.
There are 04 innately occurring nitrogenous bases, there are four various types of DNA nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C).
Thus, the building blocks of the dna molecule made of are Nucleotides.
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