1
Q
What is Diffusion?
A
Diffusion is the movement of particles from an area of high concentration to an area of low concentration, down a concentration gradient. This continues until equilibrium is reached.
2
Q
What sort of substances are in and out of cells by diffusion?
A
Oxygen , carbon dioxide , glucose , waste products e.g urea
3
Q
What is Concentration?
A
Concentration is a measurement of how much solute is dissolved in a given
volume of solvent.
4
Q
What is water potential ?
A
Water potential relates to the ability of water to move freely
5
Q
What prevents water from moving freely?
A
Solutes prevent water from moving freely
B1 Cell Structure And Transport
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