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 oxaloacetate A four-carbon molecule found in mitochondria that condenses with acetyl conenzyme A to form citrate in the first reaction of the citric acid cydle (Krebs cycle). Oxaloacetate must be constantly regenerated in order for the citric acid cycle and the electron transport chain to continue. Related category    • BIOCHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP