Additional questions for Lab #5





1. How would you be able to differentiate between a yeast cell and a S. epidermidis cell in a gram stained smear?


2. What are two ways in which gram positive cells are different than gram negative cells?


3. What are the three principal morphological types of of bacteria?


4. Under oil immersion power (1000x) the field diameter is about 180 m. What is your estimate of the size of an S. epidermidis cell? (show calculation)