Question

how cell wall is secreted by protoplasm??

Answer 1

The protoplast goes onsecreting cell wall materials on the middle lamella, and ultimately a soft, delicate and plastic wall is formed. This is primary cell wall . It consists mainly of cellulose and pectic compounds and may also contain other polysaccharides.

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Answer 2

In the primary (growing) plant cell wall, the major carbohydrates are cellulose, hemicellulose and pectin. The cellulose microfibrils are linked via hemicellulosic tethers to form the cellulose-hemicellulose network, which is embedded in the pectin matrix.


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