What is lignin? And what it's there functions
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lignin is a chemical substance which acts as a cement to makes plants hard. the scelerenchyma tissue is made up of it. this tissue makes plants hard because lignin is present in it.
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Lignin is a class of complex organic polymers that form key structural materials in the support tissues of vascular plants and some algae. Lignins are particularly important in the formation of cell walls, especially in wood and bark, because they lend rigidity and do not rot easily. Lignin fills is present in the cell wall along with cellulose, hemicellulose, and pectin, and is especially abundant in vascular and support tissues. ... Lignin plays a crucial role in conducting water within the vascular cells in plant stems.
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