Podcast
Questions and Answers
What is water potential?
What is water potential?
- A measure of the kinetic energy in water
- A measure of the density of water
- A measure of the potential energy in water (correct)
- A measure of the volume of water
How is water potential denoted?
How is water potential denoted?
- Ψ (psi) (correct)
- P (pascal)
- E (energy)
- V (volume)
What influences the water potential in plant solutions?
What influences the water potential in plant solutions?
- Solute concentration and matrix effects (correct)
- Temperature and color
- Density and volume
- Pressure and gravity
Why is the water potential of pure water designated as zero?
Why is the water potential of pure water designated as zero?
In what units is water potential expressed?
In what units is water potential expressed?
What allows plants to achieve hydraulic feats like moving water to great heights and splitting rocks?
What allows plants to achieve hydraulic feats like moving water to great heights and splitting rocks?
What are the components that make up the total water potential of a system?
What are the components that make up the total water potential of a system?
What is the role of solutes in reducing water potential in a plant cell?
What is the role of solutes in reducing water potential in a plant cell?
How does solute concentration affect solute potential in a plant cell?
How does solute concentration affect solute potential in a plant cell?
In which direction does water move in relation to solute potential gradient?
In which direction does water move in relation to solute potential gradient?
What happens to the total water potential when solute potential decreases?
What happens to the total water potential when solute potential decreases?
How do solutes affect the available potential energy in an aqueous system?
How do solutes affect the available potential energy in an aqueous system?
