Question

Short note on cell wall. Class 8

Write in points please​

Answer 1

Answer:

A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.

Answer 2

Explanation:

The cell wall is the outermost covering of plant cells. It is present outside the cell membrane and is tough, flexible and sometimes rigid in its texture. It is mainly composed of cellulose, long fibres of carbohydrates including hemicellulose, lignin and pectin.

It is the outermost part of the plant cell: It is the outermost covering the animal cells

The cell wall is metabolically inactive: The cell membrane is metabolically active

CELL WALL: CELL MEMBRANE