Transport through plants definitions

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  • Created by: Kate
  • Created on: 15-03-14 19:34
Root hair cells
Cells on the roots of plant that increase the surface area for maximum absorption of water and mineral ions
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Transpiration
The loss of water of a plant through the stoma of leaves
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Water potential
How much the water is pure (pure = 0)
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Appoplast pathway
When water moves round the cell walls of plant
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Symplast pathway
When water moves Straight through the cells (by diffusion)
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Cohesion
Water molecules stick/cohese together up the walls of the stem
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Osmosis
The movement of water only, from an area of high water potential to an area of low water potential
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Casparian Strips
These are waterproof, causing the appoplast pathway to be forced through the cell - joining the symplast pathway
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Plasmodesmata
extension bridges -speeds up
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Root pressure
Water moving into the roots by osmosis causing pressure, pushing water up the stem.
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Cortex
supportive tissue/padding cells
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Phloem
food - sugars/minerals transport system
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Xylem
Water transport system
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Transpiration pull
When water evaporates from the leaves, it pulls the water that it is cohesed with it, which pulls water further up the stem.
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Other cards in this set

Card 2

Front

The loss of water of a plant through the stoma of leaves

Back

Transpiration

Card 3

Front

How much the water is pure (pure = 0)

Back

Preview of the back of card 3

Card 4

Front

When water moves round the cell walls of plant

Back

Preview of the back of card 4

Card 5

Front

When water moves Straight through the cells (by diffusion)

Back

Preview of the back of card 5
View more cards

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