MIC 304 Study Guide - Quiz Guide: Catalase, Angular Diameter, Horseradish Peroxidase

• School: University of Miami
• Department: Microbiology and Immunology
• Course: MIC 304
• Professor: TA

Document Summary

Our primary defense is our skin but our immune systems are specifically programed to protect us against pathogenic bacterium. Diaphragm- limits the opening of the lens below the specimen, allowing more or less light to pass. Rotate the eyepiece, if the specimen rotates clean the eyepiece. Use the stage adjustment knobs to move the slide to the left and right, if the specimen does not move refocus using the coarse adjustment knob. Wipe the light source with a lens wipe. Never use 40x with oil as it will damage the lense. The nutrients essential for growth, suitable surroundings (proper ph, osmotic pressure, atmospheric oxygen) Solid agar plates, slants and stabs medium. Aseptic technique- inoculate sterile medium of a pure culture of microorganisms without outside contamination. Sterilized- heated to a point where all cells present are destroyed. Turbidity- mass of daughter cells becomes visible to naked eye as cloudiness in liquid broth.