Trunk diameter shrinking
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-shrinks during day due to light activating photosynthesis which activates
translocation
-some days it shrinks less than others because it may be cloudy, i.e.
changes in sunlight in days change amount of stomata opening
Tree Trunk and Transpiration
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, -tree trunk diameter changes by transpiration
-during day, diameter decreases by 0.0005 inches due to increased
transpiration or water evaporating
-at night, trunk relaxes as stomata not open
Storage Sink
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-accumulates sugars for storage until needed
-must be actively transported to vacuole to maintain a favourable
concentration gradient
Pressure Potential
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-tendency of water to move in response to any kind of physical pressure
-inside cell this is turgor pressure
-turgid cell: water intake by the cell produces a large hydrostatic pressure
Root Pressure
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-minerals accumulate in vascular cylinder which has a high solute
concentration, leads to decreased water potential
-low water potential in vascular cylinder drives water uptake from soil
('Flow to Low')
-water uptake creates a positive pressure pushing water up the stem
Give this one a try later!
-shrinks during day due to light activating photosynthesis which activates
translocation
-some days it shrinks less than others because it may be cloudy, i.e.
changes in sunlight in days change amount of stomata opening
Tree Trunk and Transpiration
Give this one a try later!
, -tree trunk diameter changes by transpiration
-during day, diameter decreases by 0.0005 inches due to increased
transpiration or water evaporating
-at night, trunk relaxes as stomata not open
Storage Sink
Give this one a try later!
-accumulates sugars for storage until needed
-must be actively transported to vacuole to maintain a favourable
concentration gradient
Pressure Potential
Give this one a try later!
-tendency of water to move in response to any kind of physical pressure
-inside cell this is turgor pressure
-turgid cell: water intake by the cell produces a large hydrostatic pressure
Root Pressure
Give this one a try later!
-minerals accumulate in vascular cylinder which has a high solute
concentration, leads to decreased water potential
-low water potential in vascular cylinder drives water uptake from soil
('Flow to Low')
-water uptake creates a positive pressure pushing water up the stem
