BIOCHEM 420 Chapter Notes - Chapter 11: Anabolism, Reaction Rate, Heterotroph

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Individual biochemical reactions combine to form metabolic pathways until the end product is generated (cid:8869) metabolic pathways : series of chemical reactions whereby the products of one reaction are the substrates for the next reaction. Compartmental- ion : spatial relationship between metabolic pathways and cellular architecture. Metabolism can be thought of as having two major divisions (cid:8869) catabolism : processes in which complex substances are degraded to simpler molecules. Accompanied by the net release of chemical energy (cid:8869) anabolism : processes concerned primarily with the synthesis of complex organic molecules. Requires a net input of chemical energy. Energy - yielding ( catabolic) pathways also generate intermediates used in biosynthetic ( anabolic) processes. Energy metabolism comprises those pathways of intermediary metabolism that generate or store metabolic energy. Autotrophs : synthesize glucose and all of their other organic compounds from inorganic carbon (cid:8869) plants.