Download article as a PDF. Civil rights are the rights of individuals to receive equal treatment (and to be free from unfair treatment or discrimination) in a number of settings -- including education, employment, housing, and more -- and based on certain legally-protected characteristics.ownload article as a PDF. Civil rights are the rights of individuals to receive equal treatment (and to be free from unfair treatment or discrimination) in a number of settings -- including education, employment, housing, and more -- and based on certain legally-protected characteristics.
Cell wall. Definition. noun, plural: cell walls. A membrane of the cell that forms external to the cell membrane whose main role is to give cells rigidity, strength and protection against mechanical stress. It is found in cells of plants, bacteria, archaea, fungi, and algae. Animals and most protists do not have cell walls. Supplement.
The cell wall surrounds the entire bacteria, holding the cell together and offering protection. It also maintains osmotic pressure, meaning it lets in just the right amount of water and ions that the cell needs. Similar to the roof on our home, the cell wall is rigid to help secure the shape of the bacteria. The cell wall contains a layer of peptidoglycan, a molecule naturally found only in