Question

what is lignin? where is it present​

Answer 1

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G Lignin. Lignin is a unique hydrocarbon comprising 8-20% of the secondary cell wall of terrestrial plants. It is a complex, dense, amorphous, secondary cell wall polymer found in the trachea elements and sclerenchyma of terrestrial plants.

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Answer 2

Explanation:

G Lignin. Lignin is a unique hydrocarbon comprising 8-20% of the secondary cell wall of terrestrial plants. It is a complex, dense, amorphous, secondary cell wall polymer found in the trachea elements and sclerenchyma of terrestrial plants.