11 Questions
What does the solute potential (Ψs) represent in the water potential equation?
The osmotic potential
Why does solute concentration affect water movement in plants?
It reduces the solute potential
Which component of the water potential equation has a typical value of -0.5 to -1.0 MPa for cell cytoplasm?
Osmotic potential
Which statement accurately describes the effect of solutes on water potential?
Solutes lower osmotic potential
How do solutes affect the availability of potential energy in an aqueous system?
They reduce the available energy
What is the role of water potential in plant physiology?
Evaluate the energy between two water systems
How is water potential expressed in terms of units?
Megapascals
Why is the water potential of pure water designated a value of zero?
For convenience of definition
Which factors influence the water potential in plant solutions?
Solute concentration and pressure
In plant physiology, what does ψwpure H2O represent?
The potential energy in pure water
How do plants utilize hydraulics to move water to great heights in trees?
By creating pressure differentials within their vascular system
Explore how plants utilize hydraulic engineering to move water upwards and generate force, by manipulating potential energy and water potential. Learn about the fascinating abilities of plants in using basic laws of physics to accomplish remarkable feats.
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