[Solved] Anaplerotic reactions A) are generally endergonic. B) are typified by that catalyzed by pyruvate kinase. C) are defined as reactions which produce pyruvate. D) increase the concentrations of intermediates of the Krebs cycle. E) are typified by those catalyzed by pyruvate dehydrogenase and alpha-ketoglutarate dehydrogenase. Scavenging: The act of consuming dead or decaying organic material, a behavior observed in some animals, bacteria, and fungi. Ectotherm: Animal in which internal temperature is regulated by changes in behavior; for example, a fish or a lizard. Reptiles: Cold-blooded, vertebrate animals that lay eggs and have skin covered with scales or bony plates. Metabolic Heat: The heat produced by an organism as a result of its metabolic processes, which helps in maintaining its body temperature.