Microbial Physiology and structure Media developed have Charcoal to absorb aromatic compounds Non-sodium ion buffer Antibiotics to suppress other organisms Dyes to make colonies visible on solid media BIOL 533 Lecture 14BIOL 533 8 Lecture 14 Microbial Physiology and Structure • Media developed have: – Charcoal to absorb aromatic compounds – Non-sodium ion buffer – Antibiotics to suppress other organisms – Dyes to make colonies visible on solid media