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Lignin
Revision as of 15:34, 9 November 2018 by
NRJC
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(Created page with "==Key Stage 4== ===Meaning===
Lignin
is a
chemical
that builds up in the
cell walls
of
xylem cells
.")
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Key Stage 4
Meaning
Lignin
is a
chemical
that builds up in the
cell walls
of
xylem cells
.