MCB2289 Introduction to Microbiology
Module 3 Homework Assignment
•Use the information presented in the module folder along with your readings from the textbook to answer the following questions.
1.Define the following terms: sterilization, disinfection, and sanitization. How are each of these terms different from one another?
2.Compare and contrast selective media and differential media. Give examples of each type of media:
3.Define the following terms used to describe bacterial morphology or bacterial arrangements andgive examples of SPECIFIC organisms that are representatives of each category of MorphologyANDArrangements. For example: an example of a cocci organism is Staphylococcus aureus
1. Cocci -
2. Bacilli -
1. Diplo –
4.Describe the four (4) different stages of the bacterial population growth curve:
5. Describe briefly how the following factors influence microbial growth:
c) Osmotic Pressure
d) Atmospheric conditions (presence or absence of oxygen)