Transport Across The Cell Membrane Flashcards
1
Q
What is OSMOSIS
A
The movement of water molecules from a HWC to a LWC through a selectively permeable membrane
2
Q
What is diffusion
A
The movement of molecules from a HC to a LC till equal
3
Q
What does selectively permeable mean
A
Some substances can pass through it others cannot
4
Q
Why does a plant cell become plasmoysed
A
Loss of water in the cell
5
Q
Why does a plant cell become turgid
A
Too much water uptake
6
Q
Why does an animal cell become swolen
A
Water diffues from a HWC to a LWC outside the cell
7
Q
Why do animals cells shrink
A
Water moves from a HC inside the cell to a LC outside the cell