Give the location of casparian strip and its role in the water movement
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Casparian strip is a thin band of suberin or lignin like deposition in the radial and transverse walls of the endodermis.Their function is to prevent water and nutrient uptake by the root entering the stele via the apoplast.
It is present in roots only because it is formed as a modification in roots to prevent excess mineral solution in soil from being pulled directly into the central part of the root. Thus, it allows the assimilation of minerals in root cells in proper amounts, so that they can be converted into appropriate compounds to be released into the xylem and transported to upper parts.
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It is present in roots only because it is formed as a modification in roots to prevent excess mineral solution in soil from being pulled directly into the central part of the root. Thus, it allows the assimilation of minerals in root cells in proper amounts, so that they can be converted into appropriate compounds to be released into the xylem and transported to upper parts.
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