BRAINCAKESpecialised Plant Cells
Root hair cells are epidermal cells with extensions of the cell wall and cytoplasm called root hairs. The root hairs increase the surface area of the plant cell to aid mineral ion uptake and water uptake by osmosis.
xylem vessels vary in appearance but are long tubular cells with walls thickened with a hard substance called lignin as they mature.
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Key terms in this lesson
- osmosis
- The net movement of water molecules from a region of higher water potential to a region of lower water potential through a selectively permeable membrane.
More in Mass Transport in Plants
- Transpiration
- Movement of Water into the Root Hair Cells
- Movement of Water across the Roots
- Movement of Water Up the Stem
- Movement of Water Across the Leaf
- Movement of Water Through the Stomata
- Translocation
- Phloem Loading
All 15 lessons in Mass Transport in Plants · All AQA AS-level Biology topics