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Unformatted text preview: Lubricates the roots. Contains materials that are inhibitory to roots of other species. Influences ion uptake. Attracts beneficial soil microorganisms. Glues soil particles to the roots thereby improving the soil-plant contact and facilitating water movement from the soil into the plant. Protects the root cells from drying out. Root cap cells sense light in some as yet unexplained way and direct root growth away from light. The root cap also senses gravity to which roots respond by growing downward, bringing them into contact with the soil, the reservoir of nutrients and water used by plants. The root cap also responds to pressures exerted by the soil particles....
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This note was uploaded on 11/14/2011 for the course BIO 1421 taught by Professor Farr during the Fall '08 term at Texas State.
- Fall '08