Assertion: algae | /r/Desires | such substance
Facets:
value: as an amide
type: MANNER
value: as a peptone
type: MANNER
Source sentences:
text: In the case of Scenedesmus acutus it is said that the alga is unable to take up nitrogen in the form of a nitrate or ammoniacal salt, and requires some such substance as an amide or a peptone.