Collenchyma differs from sclerenchyma in:

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(A) Collenchyma cells are living and retain their protoplasm at maturity. They provide mechanical support to the growing parts of the plant.In contras

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Retaining protoplasm at maturity

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(A) Collenchyma cells are living and retain their protoplasm at maturity. They provide mechanical support to the growing parts of the plant.In contrast,sclerenchyma cells are dead at maturity and lack protoplasm. Their cell walls are heavily thickened due to the deposition of $lignin$,which makes them hard and rigid.

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