Adenine
Definition
Adenine is one of four nucleotide bases found in DNA and RNA; it pairs with thymine in DNA or with uracil in RNA.
Analogy
Imagine adenine as one half of a zipper. It can only connect with its specific partner - thymine or uracil - just like how one side of a zipper connects perfectly with its corresponding side.
Related terms
Nucleotide: The basic building block of nucleic acids such as DNA and RNA. Each nucleotide consists of a sugar, phosphate group, and nitrogenous base like adenine.
Base Pairing Rule: A rule stating that cytosine pairs with guanine and adenine pairs with thymine in DNA or uracil in RNA.
Purines: A class of organic molecules, including adenine and guanine, which are key components in both DNA and RNA.
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