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A Level Biology - Transport in plants

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Quiz by slidingtacos
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Last updated: April 26, 2018
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First submittedApril 26, 2018
Times taken29
Average score31.8%
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Defintion
Keyword
Consists of cells specialised for transporting fluids
Vascular tissue
Plants with two seed leaves and a branching pattern of veins in the leaf
Dicotyledonous plants
Transports dissolved assimilates
Phloem
Transports water and minerals
Xylem
Substances that have become a part of the plant
Assimilates
Water enters the cell cytoplasm through the plasma membrane
The symplast pathway
The loss of water vapour from the aerial parts of a plant, mostly through the stomata in the leaves
Transpiration
Gaps in the cell wall containing cytoplasm that connects two cells
Plasmodesmata
Water is not confined to the cytoplasm of the cells and is able to enter and pass through the vacuoles as well
The vacuolar pathway
The cells that help to load sucrose into the sieve tubes
Companion cells
A device that can measure the rate of water uptake as a leafy stem transpires
Potometer
Defintion
Keyword
The attraction between water molecules caused by hydrogen bonds
Cohesion
The tubes which carry water up the plant
Xylem vessels
A plant adapted to living in dry conditions
Xerophyte
The attraction between water molecules and the walls of the xylem vessel
Adhesion
Water passes through the spaces in the cell walls and between the cells, but does not pass through any plasma membranes into the cells
The apoplast pathway
A part of the plant where assimilates are removed from the transport system
Sink
A part of the plant that loads materials into the transport system
Source
The transport of assimilates throughout a plant
Translocation
A layer of dividing cells
Meristem
A plant adapted to living in water or where the ground is very wet
Hydrophyte
Make up the tubes in phloem tissue that carry sap up and down the plant
Sieve tube elements
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