Credit(s):3 3 hours lecture, 3 hours contact Prerequisite(s):BIOL 130/BIOL 130A and BIOL 131/BIOL 131A or BIOL 160/BIOL 160A and BIOL 161/BIOL 161A. Corequisite(s): BIOL 265A. A study of the classification, morphology, metabolism, genetics, and ecology of microorganisms, with emphasis on bacteria. Discussion of aspects concerning control, disease and immunity will be presented.