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You may be one person, but you're made up of millions and billions of cells! Have you ever thought about all the tiny, microscopic cells that make up you? While your cells are much too small to see wi ...

We will be making a model of a cell membrane using very simple material.Think of a cell membrane as a filter. It only lets certain substances inside it. It functions to protect our cells from harmful ...

An egg is surrounded by a thin membrane. This only lets water into it. The egg itself is a cell and will show the swelling in cells. When it is put into fluid that is not able to penetrate its surface ...

The goal of this project is to reveal that membranes can be semi-permeable—allow for the inward and outward flow of .Eggs offer students a tangible example of membranes.They also help students underst ...

Osmosis and diffusion are in some ways alike. This experiment will be covering diffusion. The sodium hydroxide will mix with the phenolphthalein agar cubes and diffuse into the cubes. You will be able ...

Egg: hard, porous shell enclosing an embryo and the substances that nourish it during incubation. See more

Egg - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.

Bat: insectivorous mammal which flies on membranous wings. See more

Bat - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.