h2o.sugarmovement.new

h2o.sugarmovement.new - Water Availability Is Influenced by...

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Mineral Nutrients CO 2 O 2 Photosynthesis Transpiration Water Uptake Movement
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Movement of Gases (and Water) is Driven By the Process of Molecular Diffusion Molecules of a Given Type Move Passively From an Area of High Concentration To an Area of Low Concentration
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Molecules Move Randomly - Diffusion is a Passive Process
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Y π (either 0 or Neg.) = A Measure of the Amount of Solutes Dissolved in a Fluid. More Solutes, More Negative Y π Y m (either 0 or Neg.) = A Measure of the Amount of Solid Surfaces to which a Fluid is Exposed. More Solids, More Negative Y m . Y p (either 0 or Pos.) = A Measure of the Force With Which Plant Cell Walls Push Back when Stretched. Measured as Turgor Pressure – Y Counteracts,
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(Less Negative) (More Negative)
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Water Moves Down a Water Potential Gradient –
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Surface Available For Adhesion 8.4 cm Surface Available For Adhesion 29.4 cm
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Unformatted text preview: Water Availability Is Influenced by Soil Particle Size .via Differences in Matrix Potential Much More Negative More Negative Less Negative Plant Can Change Y w In Cylinder If Soil Y < -1.5 MPa This Can Occur Because of High Soil-Water Salinity Or Very Negative Soil Matrix Potential (i.e. in Fine-Grained Soils). Water is a POLAR Molecule (has opposite electrical charges at opposite poles) + +-+ Cohesion Between Water Molecules Transpiration Rate Affected by Humidity Temperature Wind Area of Sugar Production Or Storage Area of Sugar Use: Active Cell Division or Building of Energy Storage Tissue Phloem Loading: Sugar Actively Pumped from Source to Sieve Cell Causes: Y To Become HIGH WATER PRESSURE Sugar Pumped Out Causes Y to Become More LOW WATER PRESSURE...
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h2o.sugarmovement.new - Water Availability Is Influenced by...

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