MMBIO 222 Questions with Complete Solutions

The ____ of microorganisms are non pathogenic and ____ cause disease Correct Answer-Majority Does not Working distance becomes _______ as the magnification of the objective lens _______ Correct Answer-Shorter, increases What is the wavelength of light in a bright field microscope? Correct Answer-500nm You swab your phone and nothing grew a week later. What could BEST explain this? Correct Answer-The agar plate did not have the correct recipe of nutrients You inolcultated a loop full of serile broth to another tube of sterile broth but there was growth. What caused that? Correct Answer-You coughed or talked, lid may have been off the tube too long Bacteria in air or dust contaminated Microbial growth in a nutrient agar deep is detected by? Correct Answer-A streak of growth where the stab occurred. Nutrient broth will produce cloudiness The ____ in MacConkey agar inhibit th