Nucleotides are subunits of DNA, and each nucleotide is result of a sugar particle alluded to as deoxyribose, a phosphate bunch, and a nitrogenous base. There are 4 particular nitrogenous bases in DNA, and they're addressed through method of methods for the letters A, C, G, and T. The whole nucleotides (deoxyribose, phosphate, and nitrogenous base) are named adenine, cytosine, guanine, and thymine. Each DNA arrangement is an extended chain of those 4 nucleotides.
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