− | Protein is a '''macronutrient comprised of amino acids chains folded into primary, secondary, tertiary, and quaternary structures to form the physical components of plants and animals'''. | + | Protein is a '''[[Nutrition Glossary#Macronutrient|macronutrient]] comprised of [[Amino Acids Overview - Nutrition|amino acids]] chains folded into primary, secondary, tertiary, and quaternary structures to form the physical components of plants and animals'''. |