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mass transport in plants - Coggle Diagram
mass transport in plants
xylem
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-root pressure:
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-minerals are actively pumped into xylem by endodermis, lowers water potential so water enters xylem by osmosis
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-transpiration:
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-factors that increase water potential gradient between air spaces in the leaf and air outside will increase transpiration (increased humidity, wind speed, temp)
phloem
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-tracer experiments:
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-the plant was then monitored with autoradiography - cutting thin sections and placing on x-ray film
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-ringing experiments:
-inside the bark is a layer of phloem extending around the stem, the xylem
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-translocation:
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-inorganic ions: K, Cl, Pi, magnesium
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