Plant transport systems rely on specific physiological mechanisms and cellular pathways to move water, minerals, and organic solutes. Match each plant transport mechanism or pathway on the left with its correct defining characteristic on the right.
- Transpiration pullNegative pressure tension generated by evaporation of water from mesophyll cell surfaces
- Root pressurePositive hydrostatic pressure developed in xylem vessels due to active mineral accumulation
- Symplast pathwayMovement of water and dissolved minerals through interconnected cytoplasm via plasmodesmata
- Apoplast pathwayPassive movement of water through non-living porous cell walls and intercellular spaces
Cevap
Transpiration pull matches with negative pressure tension generated by mesophyll evaporation. Root pressure matches with positive hydrostatic pressure in xylem vessels from active mineral influx. Symplast pathway matches with water movement through interconnected cytoplasm via plasmodesmata. Apoplast pathway matches with passive water movement through porous cell walls and spaces.
Transpiration pull relies on negative pressure tension from evaporative water loss. Root pressure is positive hydrostatic pressure from solute pumping. The symplast uses microscopic cytoplasmic channels (plasmodesmata), while the apoplast moves water exclusively through porous cell wall walls.
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Anahtar Kavram
Plant Water Transport Mechanisms and Cellular Pathways