Why Do Plant Cells Have A Cell Wall. So animal cells can have various shapes, but plant cells only havethe shapes of their cell walls. Cell walls are supporting structures that help the plant to have a fixed shape and protect it from injury.
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In land plants, the cell wall is mostly made of cellulose. Many living plants and animals need hard structures to preserve their form and function. So animal cells can have various shapes, but plant cells only havethe shapes of their cell walls.
So animal cells can have various shapes, but plant cells only havethe shapes of their cell walls.
The rigid exterior around the cells is necessary to allow the plants to grow upright. This limits the shapes that they can have. The cell (from latin cella, meaning small room) is the basic structural, functional, and biological unit of all known organisms. It is made up of cellulose, hemicellulose and pectin.