Respuesta :
Explanation:
A substance that contains of amino acid and are present in all living organism
Does that help??
Sorry if not
Answer:
According to Goog|e, "Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. They are essential to building muscle mass, and are most commonly found in animal products, but can also be found in other foods such as nuts and soybeans."
Explanation:
I hope this helps!