Osmosis

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  • Created by: Hannah100
  • Created on: 04-04-14 18:58
What is osmosis?
The movement of water molecules across a partially permeable membrane from an area of high concentration to an area of low concentration.
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What is tissue fluid made up of?
Tissue fluid is basically water with oxygen and glucose dissolved in it.
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What is diffusion?
Where particles move from an area of high concentration to an area of low concentration.
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Whereabouts in a leaf does carbon dioxide diffuse?
It diffuses into the air spaces, then into the cells where photosynthesis happens.
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What two substances diffuse out of stomata in a leaf's surface?
Oxygen (produced in photosynthesis) and water vapour.
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What does a leaf's flattened shape help it to do?
It increases the area of the exchange surface.
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Other cards in this set

Card 2

Front

What is tissue fluid made up of?

Back

Tissue fluid is basically water with oxygen and glucose dissolved in it.

Card 3

Front

What is diffusion?

Back

Preview of the front of card 3

Card 4

Front

Whereabouts in a leaf does carbon dioxide diffuse?

Back

Preview of the front of card 4

Card 5

Front

What two substances diffuse out of stomata in a leaf's surface?

Back

Preview of the front of card 5
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