Answer:
Step-by-step explanation:
Amino acids consist of an amine (-NH2) group and a carboxyl acid (-COOH) group. So they have elements such as Nitrogen (N), Hydrogen (H), Carbon (C) and Oxygen (O).
Amino acid composition:
The human body has 20 amino acids which are all important but there are only 9 that are essential for the human body.
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