Protein is the group name to designate the principle nitrogen constituents of the protoplasm of all plant and animal tissues. Proteins are necessary for tissue synthesis and regulation of certain body functions. However, to say that proteins are more important than any other nutrient in the body can have serious consequence.
Proteins are complex, structures made up of amino acids. The type of amino acid vary with each protein. However, nitrogen is always present. Carbohydrates and fats doSaved not contain nitrogen.
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