Bacterial Metabolic Products
 While thriving in a host or on an artificial
 culture
 medium, bacteria produce certain
 enzymes, which bring out important chemical
 changes in the surrounding media and may be
 harmful to the host.Also, some
 bacteria produce pigments (harmless, help in
 bacterial identification) and antibiotics (inhibit
 metabolic processes of other organisms).1- Bacterial enzymes
 Def.