Proteins are the fundamental building. Just this little quirk you have to put up with to get to the meat of the matter. What Are Digestive Enzymes Digestive Enzymes Digestion Enzymes They catalyze chemical reactions and some enzyme activities are essential for life. . 3 Epidermal growth factor and keratinocyte growth factor are both proteins structure. 2 proteins are made of many amino acids. Enzymes are proteins made up of amino acids that helps in lowering the activation energy of the reaction. Enzymes are a type of protein that is found in all living organisms. A protein is classified as multiple long chains of amino acids but there are some molecules that comprise of a single long chain of amino acids. Save 10 And Get Free Shipping When You Sign Up For Auto Delivery Today. No this is not always true. Save 10 And Get Free Shipping When You Sign Up For Auto Delivery Today. Enzymes are proteins that help