Sclerenchyma cell walls are hardened by what substance?

Name: Sclerenchyma cell walls are hardened by what substance?
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Question

Quizplus · Accepted Answer

Sclerenchyma cells have thick secondary cell walls impregnated with lignin,a substance that makes plant cell walls tough and hard.If we compare a cell wall to reinforced concrete,cellulose fibrils would play the role of steel rods,and lignin would be analogous to the cement.

Sclerenchyma Cell Walls Are Hardened by What Substance