Uptake by root hair cells
Uptake by root hair cells
A root hair cell has a long extension that provides a large surface area in contact with soil water. Its thin wall gives water and mineral ions a short uptake pathway.
Step-by-step lessons on Edexcel GCSE Biology 6.2 Transport in plants, covering 6.2.1 Root hair cell adaptations, 6.2.2 Structure of xylem and phloem, 6.2.3 Transpiration and stomata, 6.2.4 Translocation of sucrose, 6.2.5 Leaf structure for photosynthesis, 6.2.6 Environmental factors on water uptake, 6.2.7 Rate calculations for transpiration, and 6.2.8 Plant adaptations to extreme environments. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.