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Lignin
Contents
1
Key Stage 4
1.1
Meaning
1.2
References
1.2.1
Edexcel
Key Stage 4
Meaning
Lignin
is a
chemical
that builds up in the
cell walls
of
xylem cells
.
References
Edexcel
Lignin, page 133, GCSE Biology, Pearson, Edexcel
Lignin, page 95, GCSE Combined Science, Pearson Edexcel