title: What are secondary metabolites?
mesh_terms: D000900:Anti-Bacterial Agents / Q000096:biosynthesis; D001419:Bacteria / Q000378:metabolism*; D005075:Biological Evolution; D001693:Biological Transport, Active; D005658:Fungi / Q000378:metabolism*; D007476:Ionophores; D007501:Iron / Q000378:metabolism; D008660:Metabolism; D013045:Species Specificity
chemical_list: D000900:Anti-Bacterial Agents; D007476:Ionophores; D007501:Iron