Question

Lignin is made up of which of the following cell wall

Answer 1

Explanation:

Lignin is a three-dimensional polymer built up of phenylpropane units that is laid down within the cell wall after tracheid elongation has ceased. The incorporation of lignin into the cellulose microfibril structures within the cell wall greatly enhances the mechanical strength properties of wood, over pure cellulose.

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Answer 2

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