subunits are dna are called
-Nucleotides: The Subunits of DNA -DNA is made of subunits called nucleotides-a subunit that consists of a sugar, a phosphate, and a nitrogen base. -There are 4 different bases-adenine, thymine, guanine, and cytosine -each base has a different shape -adenine connects to thymine; guanine connects to cytosine