Osmosis (AQA GCSE Biology Combined Science): Flashcards
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What type of diffusion involves water?
What type of diffusion involves water?
Osmosis
Which direction does water move in osmosis?
Which direction does water move in osmosis?
From dilute to concentrated solution
Solution with lots of water
Solution with lots of water
Dilute solution
Solution with less water
Solution with less water
Concentrated solution
Membrane type osmosis occurs through
Membrane type osmosis occurs through
Partially permeable membrane
What do partially permeable membranes let through?
What do partially permeable membranes let through?
Small molecules like water
What do partially permeable membranes block?
What do partially permeable membranes block?
Large molecules like sugar or ions
Artificial membrane used to study osmosis
Artificial membrane used to study osmosis
Visking tubing
What happens to cells in concentrated solutions?
What happens to cells in concentrated solutions?
They shrink (crenation)
What happens to cells in dilute solutions?
What happens to cells in dilute solutions?
They swell up (potentially burst)