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Question
How does water enter root xylem across root cortex?
How does water enter root xylem across root cortex?
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Solution
The correct option is B Osmosis and diffusion
Osmosis and diffusion
Water moves from cell to cell through the root cortex by osmosis along a concentration gradient. This implies that each cell is hypertonic to the previous cell. In the centre of the root the water enters the xylem vessels. Water might also apply or move by diffusion through the cell walls and intercellular spaces.
Osmosis and diffusion
Osmosis and diffusion
Water moves from cell to cell through the root cortex by osmosis along a concentration gradient. This implies that each cell is hypertonic to the previous cell. In the centre of the root the water enters the xylem vessels. Water might also apply or move by diffusion through the cell walls and intercellular spaces.
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