go to jove.com

HIGH SCHOOL

Biology

Concept Videos

Biology

This is a free preview. For full access

Plant Structure, Growth and Function

How Xylem Moves Water in Plants

Description

Xylem moves water and dissolved minerals from the roots to the rest of the plant. The cells that carry xylem sap are dead when mature, so the flow is passive. Xylem transport depends on special tracheary elements, which connect directly with the extracellular space in the apoplast.

There are two ...

Transcript

Les plantes acquièrent de l'eau et des nutriments du solmais exigent ces substances, même dans des tissus éloignés. Comment les plantes transportent-elles ces substancescontre la force de gravité ?L'eau et les minéraux dissous entrent dans la planteà travers les cellules perméables de la racine et des cheveux de l'épidermeet se rendre au xylème...

Tags

Xylem TransportTranspiration PullTracheids Vessel ElementsCohesion Tension HypothesisWater AdhesionMineral Active TransportPressure GradientPlant Water MovementSap Transport MechanismVascular Plant Anatomy

More videos by Standards