transport in plants

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plants with two seed leaves and a branching pattern of veins in the leaf
dicotyledonous plants
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a layer of dividing cells, here it is caked the pericycle
meristem
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transports dissolved assimilates
phloem
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consists of cells specialised for transporting fluids by mass flow
vascular tissue
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transport water and minerals
xylem
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the cells that help to load sucrose into sieve tubes
companion cells
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make up the tubes in phloem tissue that carry sap up and down the plant. the sieve tube elements are separated by sieve plates
sieve tube elements
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the tubes which carry water up the plant
xylem vessels
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gaps in the cell wall containing cytoplasm that connects two cells
plasmodesmata
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a device that can measure the rate of water uptake as a leafy stem transpires
potometer
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the loss of water vapour from the aerial parts of a plant, mostly through stomata in the leaves
transpiration
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the attraction between water molecules and the walls of xylem vessel
adhesion
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the attraction between water molecules caused by hydrogen bonds
cohesion
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a plant adapted to living in water or where the ground is very wet
hydrophyte
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a plant adapted to living in dry conditions
xerophyte
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substances that have become part of the plant
assimilates
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a part of the plant where those materials are removed from the transport system ; for example the roots receive sugars and store them as starch. at another time of year, the starch may be converted back to sugars and transported to a growing stem
sink
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a part of the plant that loads materials into the transport system; for example the leaves photosynthesise and the sugars made are moved to other parts of the plant
source
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the transport of assimilates throughout a plant
translocation
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Other cards in this set

Card 2

Front

a layer of dividing cells, here it is caked the pericycle

Back

meristem

Card 3

Front

transports dissolved assimilates

Back

Preview of the front of card 3

Card 4

Front

consists of cells specialised for transporting fluids by mass flow

Back

Preview of the front of card 4

Card 5

Front

transport water and minerals

Back

Preview of the front of card 5
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