CHARACTERISTICS of Cholenchyma Tissue
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➡️Collenchyma tissue is composed of elongated cells with irregularly thickened walls.
➡️They provide structural support, particularly in growing shoots and leaves.
➡️Collenchyma tissue makes up things such as the resilient strands in stalks of celery.
➡️Collenchyma cells are usually living, and have only a thick primary cell wall made up of cellulose and pectin.
➡️Cell wall thickness is strongly affected by mechanical stress upon the plant.
The walls of collenchyma in shaken plants (to mimic the effects of wind etc.), may be 40–100% thicker than those not shaken.
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