D2.3.9 (HL)—Movement from higher to lower potential
Water moves from higher water potential to lower water potential because solutes reduce free water movement in cells and solutions.
- Syllabus
- First assessment 2025
- Objective
- D2.3.9
- Level
- HL
Concept essentials
- Water moves from higher to lower water potential.
- Solutes lower water potential by reducing free water movement.
- Water movement can stop when water potentials are equal.
- Pressure potential can oppose water entry in plant cells.
ConceptIB Biology HL