Nutrient uptake; metabolism; extracellular proteins; chemotaxis; and differentiation. The eukaryotic microbes; their ecological roles; and eukaryotic cell culture. The interactions environment and symbiotic relationships. Basic principles of industrial microbiology. The use of biotechnology for producing economically and medically important substances. Laboratory exercises deal with topics related to the lecture material. Prerequisite: BIOL 217 and CHEM 251 or CHEM 351