Question

define the cell wall how it is formed and mention their role in plant cell​

Answer 1

Answer:

A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. ... The primary cell wall of land plants is composed of the polysaccharides cellulose, hemicelluloses and pectin. Often, other polymers such as lignin, suberin or cutin are anchored to or embedded in plant cell walls.

Explanation:

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Answer 2

Answer:

Cell wall is outermost covering of the plant cell . It is formed in such a way : It occurs by a successive deposition of wall material, layer upon layer that is, by a process known as apposition. Growth of walls by apposition is usually centripetal, that is, it occurs from outside and toward the lumen of the cell.21-Apr-2020