The possible function of a protein is long term energy storage. The correct option is A.
A protein is a naturally existing, extremely complex substance comprised of residues of amino acids linked together by peptide bonds.
Proteins are found in all living organisms and contain a variety of important biological compounds such as enzymes, hormones, and immunoglobulin.
Proteins are large, complex molecules that perform numerous important functions in the body.
They are necessary for the structure, feature, and regulation of the body's tissues and organs and do the majority of the work in cells. A protein's possible function is long-term energy storage.
Excess protein is typically stored as fat, whereas excess amino acids are excreted.
This can result in weight gain over time, particularly if person consume too many calories while attempting to increase your intake of protein.
Thus, the correct option is A.
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