Adenine vs Guanine Nuclear acids are nucleotide polymers, which contain four different nucleotide bases; adenine, guanine, cytosine, and thymine (uracil in RNA). These four bases can be put into two major categories namely purines and pyrimidines. Adenine and guanine are the purines while cytosine, thymine, and uracil are the pyrimidines. To keep the same […]