Microbiology Flashcards
What is the unit of length used in bacteriology?
Micron, equivalent to 0.001mm
What is the most common size for bacteria
2-4 micron in length, and 0.2-1.0 micron in diameter
Give me a short explanation on how to make a bacterial film
Remove a small quantity of surface growth using a flame inoculated loop and place it on a slide with a small drop of water on the surface and spread it out, the to fix it pass through a Bunsen burner 2-3 times.
What is differential staining?
Staining different parts of the bacterial cell and different types of bacteria
What are the dyes necessary for Gram’s method
para-rosaniline and iodine
What are the 2 things that a bacteria can be described as after going through Gram’s method
Gram-positive and Gram-positive
What is the most useful and frequently adopted method of examining live bacteria?
Hanging-drop method