Biology for IGCSE & O level - Transport In Plants (Section 1 - No. 19)
Water enters a root hair cell by osmosis. What are the subsequent steps in the water's journey to the xylem?
Root hair cell -> cortex -> xylem
Cortex -> root hair cell -> xylem
Root hair cell -> xylem -> cortex
Xylem -> root hair cell -> cortex
Explanation
Water moves into the root hair cell, then through the cortex cells and finally reaches the xylem for transport upwards.
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