Because our bodies do not store protein, functional body proteins, such as enzymes and muscle proteins, must be broken down to yield amino acids.

Question

Quizplus · Accepted Answer

Our bodies do not store protein in the same way we store carbohydrates and fat. Instead, we constantly break down and rebuild proteins to meet our daily needs for amino acids. As a result, if we do not consume enough protein in our diet, our body will break down muscle tissue to obtain the necessary amino acids.

Because Our Bodies Do Not Store Protein, Functional Body Proteins