Assertion: stoma's guard cell | /r/CapableOf | become turgid
Facets:
Source sentences:
text: When carbon dioxide levels fall below normal (about 0.03 percent), the guard cells become turgid and the stomata enlarge.
text: In the light, the guard cells absorb water by osmosis , become turgid and the stoma opens.
text: When there is plenty of water, the guard cell inflates with water and becomes turgid.