Conduction of water and mineral salts through the xylem vessels is enhanced because the xylem cells are
thickened with lignin
long, narrow tubes placed end to end
close to the endodermis
centrally placed in the roots
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Discussions (6)

The correct answer to this question is A. Xylem cells are dead cells. The only thing strengthens them and prevents them from collapsing is lignin. Please correct that.
And get your facts straight. Some of us are here to learn not to get more confused.

Please from my research @Wikipedia i have observed that the answer you guys gave is wrong please the correct answer is A
Do research and you would also understand what I am saying from my point of view

pls tell them be doing research or read books before you come and Tell us wrong ansa's

