Bio 208 Unit 2, Section 1: Fundamentals of Microbial Genetics
Reading: 8.1, 9.1-9.4
Key Figures: ch 8: 8.2, 8.5, 8.6, 8.9, ch 9: 9.3, 9.4, 9.5, 9.6, 9.17, 9.20, 9.26, 9.29
Key Terms
Metabolism
-Catabolism
-Anabolism
ATP
Catalyst
Enzyme
Activation Energy
Substrate
Competitive Inhibitor
Noncompetitive inhibitor (allosteric site)
Feedback inhibition
Binary Fission
Generation Time (Doubling Time)
Growth Curve
-Lag phase
-Log phase
-Stationary phase
-Death phase
Biofilms
Planktonic vs. Sessile cells
Reactive Oxygen Species
Obligate Aerobe, Obligate Anaerobe, Facultative Anaerobe, Aerotolerant Anaerobe,
Microaerophile
Neutrophile, Acidophile, Alkaliphile
Optimum, minimum, maximum growth temperature
Thermophile, Mesophile, Psychrophile
Learning Objectives
*Define and describe metabolism
*Identify the structure and structural components of an enzyme
*Describe the differences between competitive and noncompetitive enzyme inhibitors
*Define the generation time for growth based on binary fission
*Identify and describe the activities of microorganisms undergoing typical phases of binary
fission (simple cell division) in a growth curve
*Describe the formation and characteristics of biofilms
*Describe how oxygen, temperature and pH impact microbial growth
Practice Problems from the Book
Ch 8: 3, 4 Ch 9: 2, 3, 4, 13, 16, 18, 27, 28, 29,