The key elements of an amino acid are carbon, hydrogen, oxygen, and nitrogen, though other elements are found in the side-chains of certain amino acids. About 500 amino acids are known and can be classified in many ways.
Friendly is a town in Tyler County, West Virginia, in the United States.
Friendly's. Friendly's is a restaurant chain on the United States' East Coast. Friendly's was founded in 1935 in Springfield, Massachusetts, by brothers Curtis Blake and S. Prestley Blake. Friendly's has 10,000 employees; John M. Maguire is the CEO. It offers 22 ice cream flavors.