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Small molecular metabolites (e.g., sugars, amino acids, nucleotides, and fatty acids) are the substrates and products of biochemical processes. The metabolites pictured left to right are a sugar (glucose), a nucleotide (adenosine monophosphate), and an amino acid (arginine). Metabolomics is the analysis of the metabolome—the complete set of an organism’s metabolites. Characterizing the metabolome provides a snapshot of the metabolic status of an organism and helps determine which of its enzyme-mediated reactions and biochemical pathways are active.

Credit or Source: ChemDB ( chemical ID 3966782 (glucose), 3965278 (adenosine monophosphate), and 3965499 (arginine) visualized using iMol


US DOE. Genomics Placemat: Genomics for Energy and Environmental Science, US Department of Energy Office of Science. (p. 2) (website)

Prepared by the Biological and Environmental Research Information System, Oak Ridge National Laboratory, and