Explain the route water takes when it enters the plant from the soil

Explain the route water takes when it enters the plant from the soilCategory: Cell BiologyExplain the route water takes when it enters the plant from the soil
Emily SmithEmily Smith Staff asked 4 months ago

1 Answers
Emily SmithEmily Smith Staff answered 4 months ago

Water in the soil is drawn into the roots by osmosis. The water around the soil particles will pass from a higher concentration of water molecules into the root where there is a lower concentration of water molecules. The water passes into the root hair cell. This will increase the number of water molecules inside this cell compared with the neighbouring cells of the root cortex. Therefore water passes by osmosis into the neighbouring cell. This cell will now contain a greater number of water molecules than the cell next to it. Water will pass into this cell. Water may then be transported by three different pathways – most of it flows along the cellulose cell walls. Some water travels in the cytoplasm of the cells, and the rest passes from vacuole to vacuole. Eventually, water reaches the xylem cells and then transported from the roots upwards into the stem.

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