A Round Protective Wall

a: Cell wall ~
b: gate outside a city

What: "The cell wall is like the gate around the outside of the city. This helps protect the cell and supports its shape. The cell wall will only let the citizens of the city in. It is kind of like the Country Club community, if you have a clicker, the gate opens easily, but if not, you can t enter."

Writer: Not Stated
Date: May 2 2013 10:47 AM

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