Assertion: nucleic acid | /r/HasProperty | composed
Facets:
value: of building block units
type: OTHER
Source sentences:
text: Your nucleic acids are composed of building block units called nucleotides that are linked together in a chain.
text: Nucleic acids are chains of nucleotides, which are composed of three parts: a phosphate backbone, a pentose sugar, either ribose or deoxyribose, and one of four nucleobases.