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 chitin A structural polysaccharide of an amino sugar found in many fungi and in the exoskeletons of all arthropods. The chitin that occurs in the walls of hyphae – the microscopic tubes of fungi – are composed of a slightly different chitin from that found in exoskeletons. Cellulose, chitin, and starch are the three most abundant organic compounds in nature. Related category    • BIOCHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP