Collenchyma differs from parenchyma in having

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(D) Collenchyma is a type of simple permanent tissue that provides mechanical support to young stems and petioles. Unlike parenchyma,which has uniform

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Pectin deposits at corners

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(D) Collenchyma is a type of simple permanent tissue that provides mechanical support to young stems and petioles. Unlike parenchyma,which has uniformly thin cell walls made of cellulose,collenchyma cells are characterized by localized thickenings of the cell wall at the corners. These thickenings are primarily composed of pectin,hemicellulose,and cellulose. Therefore,the presence of pectin deposits at the corners is the distinguishing feature of collenchyma compared to parenchyma.

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