The principal components of the plasma membrane are lipids (phospholipids and cholesterol), proteins, and carbohydrates. The plasma membrane protects intracellular components from the extracellular environment. The plasma membrane mediates cellular processes by regulating the materials that enter and exit the cell.
Members of the Shudra caste, for example, are relegated to performing hard physical work regardless of their skill, intelligence, or ambition. Those born into the Brahman caste must attend university or become a member of the clergy, even though they may show no interest or aptitude toward that end.
An example of an aristocracy is Britainâs Royal family.Another example of an aristocracy is the Kennedy family in the United States. The definition of aristocracy is a group of people who feel they are above others.An example of an aristocracy are some of the actors and actresses in Hollywood.Â·cies. 1  Historical government by the best citizens. 2  government by a privileged minority or upper class, usually of inherited wealth and social position. 3  a country with this form of government; oligarchy. 4  a privileged ruling class; nobility. 5  those considered the best in some way: an aristocracy of scientists.