Meaning & use
nucleotide
A basic building block of DNA and RNA, made of a sugar, a phosphate group, and a nitrogen base.
See it in a sentence
Each nucleotide pairs with a specific partner to form the double helix of DNA.
Researchers sequenced millions of nucleotides to map the organism's entire genome.
A note on using this word
Nucleotides link together in long chains, and the order of their bases carries an organism's genetic information.
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