Protein is a biochemical compound that contains Carbon,
Hydrogen, Oxygen and Nitrogen. That's why it has a symbol of CHON. It is said that protein is the fundamental
component of all living cells which include many substances like hormones, enzymes and antibodies that are
necessary for proper functioning of a certain organism. Protein is needed for growth and repair of tissue and
can be found in foods such as eggs, milk, fish and legumes.