Meaning & use

pentose

noun·Advanced

Last updated

a simple sugar (monosaccharide) whose molecules contain five carbon atoms.

See it in a sentence

Ribose is a pentose that forms part of the backbone of RNA.

Pentoses play a key role in the structure of nucleic acids.

A note on using this word

Contrasts with 'hexose,' a sugar with six carbon atoms, such as glucose.

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