Amino acids are obtained by animals when the person digest proteins. The correct option is B.
A protein is a found naturally, a highly complicated substance made up of amino acid residues linked together by peptide bonds.
Proteins are found in all living organisms and contain a variety of important biologically active compounds such as enzymatic reactions, hormones, and immunoglobulin.
Proteins are massive complex molecules that perform numerous important functions in the body.
They are essential for the structure, operation, and regulatory oversight of the body's tissues and organs and do the majority of the work in cells.
Protein can be found in muscle, bone, skin, hair, and virtually every other body part or tissue.
It is the building block of enzymes, which power many chemical reactions, as well as hemoglobin, which transports oxygen in your blood.
Thus, the correct option is B.
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