Question

Amino acid Present in__________​

Answer 1

Answer:

human blood serum

Step-by-step explanation:

Answer 2

The key elements of an amino acid are carbon (C), hydrogen (H), oxygen (O), and nitrogen (N), although other elements are found in the side chains of certain amino acids. About 500 naturally occurring amino acids are known (though only 20 appear in the genetic code) and can be classified in many ways.