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 cytochromes Respiratory pigments found widely in aerobic organisms. They consist of proteins with an iron prosthetic group similar to that of hemoglobin. The oxidation of cytochromes by molecular oxygen, and their subsequent reduction in the cell, is the principal route by which atmospheric oxygen enters into cellular metabolism. Related category    • BIOCHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP