Saturday, December 17, 2011

A Grocery Store is Like a Cell- Cell Wall/Wall of the Building

The Wall of the Store is like the Cell Wall

A cell wall is the outer layer of a plant cell and is made of cellulose. They provide protection for the cells and give them their shape. Cell walls completely surround the cell. The outside wall of a supermarket is often made of brick, concrete, or wood. It determines the shape of the store and provides protection from undesirable outside forces, such as wind, rain, or snow.  The cell wall and the wall of a supermarket are similar because they are both located on the very outside of the structure and both serve the same function. The cell wall and the wall of a supermarket both protect the structure and give it its shape.

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