The answer is differentially permeable or semi-permeable, both are the same meaning. It is usually about cell membrane, and for example osmosis has to occur under this kind of membrane
The complete phenotype of an organism is dependent on : genotype , penetrance , expressivity and polygenes
Answer:
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Explanation:
Answer:
Epithelial cells also line the inside of your throat, intestines, blood vessels, and all your organs. They are a barrier between the inside and outside of your body and are often the first place that is attacked by viruses as they begin their invasion deeper into the body.
Explanation:
Epithelial tissue covers the outside of the body and lines organs, vessels (blood and lymph), and cavities. Epithelial cells form the thin layer of cells known as the endothelium, which is contiguous with the inner tissue lining of organs such as the brain, lungs, skin, and heart.