Biomembranes I:
Membrane Structure and Transport
Concept 2: Osmosis: Movement of Water
Across Membranes
Osmosis (movement of water across
membranes) depends on the relative concentration of solute molecules
on either side of the membrane.
The presence or absence of cell walls influences how cells respond
to osmotic fluctuations in their environment.
![](images/RBCanim1.gif)
![](images/next_concept_btn.gif) ![](images/previous_concept_btn.gif) |