Assertion: cell membrane's movement | /r/HasProperty | passive
Facets:
Source sentences:
text: The movement of substances across the membrane can be either "passive", occurring without the input of cellular energy, or "active", requiring the cell to expend energy in transporting it.
text: If the substances can move across the cell membrane without the cell expending energy, the movement of molecules is called passive transport.
text: The movement of substances across the membrane can be either "passive", occurring without the input of cellular energy, or "active", requiring the cell to expend energy in transporting it.
text: The movement of substances across the membrane can be either "passive", occurring without the input of cellular energy, or "active", requiring the cell to expend energy in transporting it.