Root Hair Cell Features Flashcards
1
Q
Why does it have an extended projection like section?
A
For an increased surface area and it helps absorb more water and mineral ions.
2
Q
Why does it have many membrane protein channels?
A
To take up water molecules and mineral ions from the soil by osmosis.
3
Q
Why does it have many cell membrane protein carriers?
A
For the absorption function (absorbs mineral ions by active transport)
4
Q
Why does it have a thin cell wall?
A
Rapid diffusion because it enables the efficient movement of water and dissolved substances into the cell.
5
Q
Why does it have many mitochondria?
A
They’re well specialised for active transport as this provides lots of ATP.
6
Q
Why does A have a large vacuole filled with cell sap?
A
The sap makes the water potential very low which speeds up osmosis.
