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.
We invite you to visit us in Fairmont, located in North Central West Virginia along I-79. The Fairmont-Marion County Transit Authority prides itself on providing clean, safe and efficient service throughout Marion County. We travel over 500,000 miles a year which translates to about 1600 miles a day. We value our customers and our slogan states... There's a lot riding on it!.