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together with cytosine and guanine , the two pyrimidine nucleobases, are the four "letters" that code for cellular synthesis of amino acids , the building blocks of proteins. contents structure formation and other forms of adenine credits simply put, there are five major bases found in the dna and rna in cells
as anchovies, herring, and mackerel. structure the structure of adenine is critical, in that having only two sites for hydrogen bonding, it binds only to thymine (and uracil in rna), while cytosine, which has three sites for hydrogen bonding, binds only to guanine. these four "code letters" allow cells...
https://www.newworldencyclopedia.org/entry/Adenine
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