Microbiology Midterm Study Guide 2025
Aseptic techniques in microbiology - correct answers -flaming the loop
-flaming mouth of test tube
-autoclaving and boiling
-vortex mixer
-mixing broth by hand
-removing the tube cap
-holding the tube at an angle
-removing excess broth from loop
Autoclave - correct answers Uses steam at 121 degrees Celsius, pressure at 15 PSi, 15
minutes time to sterilize
-it is the most effective and common method of sterilization
Ubiquity of microorganisms - correct answers Means that microorganisms are found
everywhere in any kind of environment
Opportunistic pathogen - correct answers capable of producing a disease if introduced
into a suitable part of the body
Resolving power - correct answers How close two objects can be and still be
distinguished as being separate objects
Optimum resolution - correct answers Using oil immersion is 0.2 micrometers
