Osmosis (AQA A-Level Biology): Quizzes

Movement of water from higher to lower water potential through a membrane

$\psi$ (psi) measured in kPa

$\psi = 0$ kPa

It becomes negative (decreases)

From less negative to more negative $\psi$

When water potentials are equal on both sides

Bursting of red blood cells

It shrinks and shrivels

Turgid

Protoplast shrinks away from cell wall