This course deals with the microorganisms such as, yeast, molds, viruses, protozoa and bacteria with, emphasis on the study of bacteria. The anatomy,, physiology, ecology, economic importance and, pathogenicity of these microorganisms will be, included. Classifications of these microbes and, the diseases produced by these organisms will be, studied. Immunity, antigen-antibody reactions,, sterilization methods and methods for cultivation, of microorganisms will be covered. Pre-requisite:, , Any college-level biology course including lab., BI 150-151 are recommended. Co-requisite: BI, 231.