nucleotide.

A molecule containing a nitrogenous base, a sugar, and phosphate, serving as a nucleic-acid building block or in other cellular roles.

Use it for

Words that belong together

• a nucleotide sequence
• nucleotide incorporation

On the page

The altered nucleotide changed the sequence at a single position.

She compared nucleotide sequences before proposing that the samples shared an origin.

Usage notes

Primary category: sci-fi. Forms: Singular nucleotide; plural nucleotides. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.