base
nucleic acid
Learn about this topic in these articles:
classification of nucleic acids
- In nucleic acid: Basic structure
…four of five possible nitrogen-containing bases: adenine (A), guanine (G), cytosine (C), thymine (T), and uracil (U). A and G are categorized as purines, and C, T, and U are collectively called
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function in coding
- In heredity: Structure and composition of DNA
…are two kinds of nitrogenous bases: purines and pyrimidines. The purines are adenine (A) and guanine (G) in both DNA and RNA; the pyrimidines are cytosine (C) and thymine
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