Biology › Plant transport and mineral nutrition

Plant transport and mineral nutrition

Canonical unit B08

• Xylem and the transpiration stream: the pull comes from the top
  Root hair cells and the uptake of water and mineral ions, the apoplast and symplast routes across the cortex, the Caspar…
• Transpiration: the price of keeping the stomata open
  Transpiration defined and explained as a consequence of gas exchange, the effect of light, temperature, humidity and air…
• Phloem and translocation: pumped at the ends, flowing in the middle
  The structure of sieve tube elements, sieve plates and companion cells, active loading of sucrose by proton pumping and …

Practical work that lands here

• Water relations of plant tissue: osmosis and transpiration