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.
The Blandford Golf and Tennis Club is the best-kept secret in Western Mass. A beautiful course with a great tournament schedule, friendly members, and affordable dues, Blandford offers everything to the casual or serious golfer.