Q1. What colony characterisitics can be used for differentiation of bacterial species? As an example, compare the properties of colonies of Serratia marcescens and Micrococcus luteus on your streak plate.
Q2. Define the term colony as it relates to bacterial growth on solid media?
Q3. Why is dilution a necessary part of pure culture preperation?
Q4. What advantage(s) does the streak-plate method have over the pour-plate method?