Which statements about root hairs are correct?
1- The cell membrane can allow movement of water and ions into the cell.
2- The cell vacuole extends into the root hair.
3- They are formed as an extension of the outer layer of root cells.
1, 2 and 3
2 )
1 and 2 only
3 )
1 and 3 only
4 )
2 and 3 only
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