2.21 mineral uptake in the roots

Minerals ions are needed for growth

Mg2+Magnesium ions
- taken into roots by active transport
-sent up through xylem to leaf
-needed so plant can synthesise (make) chlorophyll

Nitrate ions NO3-
-taken into roots by active transport
-up through xylem into leaf
-makes amino acids-->which make protein
-nitrate occasionally is used to make DNA