Microbiology involves the study of diverse microorganisms including but not limited to bacteria, fungi, and viruses. Though this course primarily focuses on bacteria, class discussion emphasizes the structure and function of microorganisms, therapeutic interventions, and the host immune response to infection. Laboratory course. Students who have received credit for BIOL 339 may not receive credit for this course. Prerequisite: BIOL 133; (BIOL 213, BIOL 223. BIOL 224, BIOL 233, or BIOL 243); and (CHEM 120, CHEM 122, CHEM 150, or CHEM 152).