BIOCHEMISTRY A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site glycogen The chief carbohydrate used to store energy in animals. It is a polysaccharide consisting of a long, highly-branched chain of up to 100,000 glucose molecules. Glycogen is particularly abundant in the liver and to a lesser extent in muscle. It can be broken down into glucose with glucagon, while insulin converts glucose to glycogen. In the electron microscope, glycogen has a characteristic asterisk or star appearance. Related category    • BIOCHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP