7.2 Transport mechanisms Flashcards
As the water potential decreases the hydrostatic pressure
decreases
Plants roots are responsible for the uptake of water and mineral ions and can have ___ ___ to increase the ___ ___ for absorption[tion of ___
root hairs, surface area , substances
Root hair cells take in mineral ions from the soil by (2)
diffusion or active transport
The uptake of minerals ___ ___ ___ ___ ___ ___ ___ ___ ___ , then the uptake of water occurs by ___
lowers the water potential of the root hair cells , osmosis
Plants must take in a constant supply of water and dissolved minerals to compensate for the continuous loss of water by ___ in the leaves so that they can ___ and produce proteins
transpiration , photosynthesise
2 pathways that water + dissolved solutes can take (2)
- apoplast
- symplast