Assertion: membrane's molecule | /r/HasProperty | harmful
Facets:
value: by the cell
type: OTHER
Source sentences:
text: The nature of the phospholipids in the membrane helps keep it fluid and semi-permeable, so that some molecules like oxygen, carbon dioxide and small hydrocarbons can move through it and enter the cell, while other molecules that might be harmful or unneeded by the cell are kept out.