Describe the route of water molecule takes from the soil to the atmosphere if it is not used for photosynthesis. Mention any specialized cells it passed through on its way
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Answer:
Movement of water from soil to the atmosphere through a plant (a) A land plant uptakes water from soil by roots, distributes water through the xylem to other parts of the plant, and transpires water vapor into the atmosphere from the leaves. Root hairs and epidermal cells are mainly responsible for water uptake. Blue arrows indicate the water flow from soil to atmosphere via a plant. (b) Water enters root cells through three distinct pathways: apoplstic, symplastic and transmembrane pathways. All three pathways converge into a symplastic movement at the endodermis. (c) Water is unloaded into the xylem and subjected to long distant transport. (d) In the leaf, water leaves the vascular bundle and is distributed to mesophyll cells and epidermal cells. Water is then drawn into plant cell walls. The water vapor from cell walls move to the atmosphere through stomata during transpiration. Black arrows indicate the direction of the water flow in a plant.
