BRAINCAKETranspiration
Water uptake by plants is through the roots. The root hairs provide a large surface area for the absorption of water. In flowering plants the water is pulled up the xylem through the stem and to the leaves.
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Key terms in this lesson
- cohesion
- The attraction between molecules of the same substance, in water caused by hydrogen bonding.
- xylem
- Plant vascular tissue, made of dead, lignified tubular cells, that transports water and mineral ions from the roots to the leaves.
- root hair cell
- An epidermal cell of a root with a long extension that increases the surface area for the absorption of water and mineral ions.
More in Mass Transport in Plants
- Specialised Plant Cells
- 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