BIOLOGY 225 FINAL EXAM REVIEW

 

Chapter 1 The Microbial World and You

-       Match individuals with their major contributions

-       Know the major contributions of the following:

o      Edward Jenner

o      Robert Koch

o      Joseph Lister

o      Paul Ehrlich

o      Anton Van Leeuwenhoek

o      Pasteur

 

Chapter 2 Chemical Principles

-       Enzyme structure and function

-       Four major classes of organic compounds

-       pH scale, formula

 

Chapter 4 Functional Anatomy of Prokaryotic and Eukaryotic Cells

-       Prokaryotic cell structure

-       Functions of cell components

-       Bacterial wall structure, especially peptidoglycan

-       The kinds of bacterial cell walls and their composition

-       Cellular transport mechanisms

-       Endospores - characteristics and functions

-       The structure and function of flagella, axial filament and pili

-       Mycoplasmas

-       The fluid mosaic model of the plasma membrane

-       Ribosomes in prokaryotic and eukaryotic cells

-       How the functions of the mitochondria and nucleus in eukaryotic cells are carried out in prokaryotic cells

 

Chapter 5 Microbial Metabolism

-       Factors which affect enzyme activity - be able to interpret graphs of temperature, pH, and substrate concentration

-       Energy reserves available to a cell - what are they & how much energy do they store?

-       The products of glycolysis

-       The final electron acceptors for

o      Aerobic respiration

o      Anaerobic respiration

o      Fermentation

-       Trace a molecule of glucose through glycolysis, Krebs cycle and the electron transport system giving the outcome products

-       How the electron transport system receives electrons

-       How protein synthesis inhibitors work

-       Important "products" of Krebs cycle

 

Chapter 6 Microbial Growth

-       Classification of organisms based on thermal preference, oxygen requirements, osmotic pressure

-       Components of culture media including characteristics of agar

-       Types of culture media - basic, enriched selective, differential, reducing

-       Bacterial growth curve

 

Chapter 7 The Control of Microbial Growth

-       Match control methods with applications

-       Which methods sterilize and which methods control

-       Interpret a filter paper disk experiment - size/concentration

-       Methods used to kill endospores

-       Methods used to preserve bacteria


Chapter 8 Microbial Genetics

-       The nature of the prokaryotic and eukaryotic chromosome

-       Define Gene, genotype and phenotype on a molecular level

-       DNA structure and replication

-       Mechanisms for the transfer of DNA from one cell to another

-       Mechanisms of genetic change

-       Match complementary bases to form DNA, mRNA, tRNA, and sequence of amino acids (using chart) 
- start codon, stop codons

-       Give the functions of

o      Reverse transcriptase

o      Restriction enzyme

o      DNA polymerase

-       Know the series of events in protein synthesis

 

Chapter 9 Recombinant DNA and Biotechnology

-       The definition of plasmid

-       Recombinant DNA techniques

o      How can they be used to produce human protein products?

 

Chapter 10 Classification of Microorganisms

-       The five kingdoms

-       The three domains

-       Microbes that are obligate intracellular parasites.

 

Chapter 11 Bacteria

-       General characteristics of major prokaryotic groups

-       Morphological types of bacteria

-       The use of Bergeys Manual

-       General types: gm+, gm-, no cell wall, unusual cell walls

-       Know how this applies to: Staphylococcus aureus, Streptococcus pyogenes, Mycoplasma, Bacillus subtilis, Escherichia coli, Archaebacteria

 

Chapter 12 Fungi, Algae, Protozoa and Multicellular Parasites

-       Transmission of fungal, protozoan, and helminthic disease

-       Major characteristics of each of those groups

-       Dimorphism in fungi

 

Chapter 13 Viruses

-       General characteristics of viruses

-       Specificity of viral infections

-       Culturing techniques of viruses - the minimum requirements

-       Bacteriophages

o      Lytic versus lysogenic cycles

-       Retrovirus replication - reverse transcriptase

-       Slow viral infection; latent viral infection

-       Diseases that may be caused by prions

-       Oncogenic viruses

-       The viruses that cause major diseases

-       Why influenza viruses are difficult to control

 

Chapter 14 Principles of Disease and Epidemiology & Chapter 15 Microbial Mechanisms of Pathogenicity

-       Koch's postulates

-       Types of toxins

-       How to treat tetanus in the immunized person and the unimmunized person (hint passive, active immunity)

-       The cause of botulism

-       Virulence factors

-       Factors of pathogenicity - invasiveness mechanisms versus toxin formation

-       Viral cytopathic effects

-       Damage by other parasites

-       Portal of entry/exit

-       Reservoirs of disease

-       Carrier state

-       How helminthic diseases are transmitted to humans

 

Chapter 16 Nonspecific Defenses of the Host

-       Active/passive immunity

-       The role of normal flora in protecting against disease

-       Match factors with appropriate line of defense

-       Types of phagocytic cells

-       Outcomes of complement (fixation) reaction

-       Define

o      Cytopathic effect

o      Opsonization

 

Chapter 17 Specific Defenses of the Host: The Immune Response

-       Types of immunity with examples

-       Regions of antibodies and their functions

-       Types of B and T cells and their functions

-       Roles of Macrophages, Plasma cells, Natural Killer Cells

-       General mechanisms of humoral and cellular immune response

-       Anamnestic response (memory cells)

 

Chapter 18 Practical Applications of Immunology

-       Types of vaccines

-       Microbial material used in vaccines

 

Chapter 19 Disorders Associated with the Immune System

-       Type of allergic reactions and their outcomes

-       Antibodies involved in the different kinds of allergic reactions

-       Types and examples of adverse reactions of the immune system

-       Blood typing reactions - ABO and Rh systems

 

Chapter 20 Antimicrobial Drugs

-       General classification of chemotherapeutic agents

-       Selective toxicity

-       Identify the phase of the bacterial growth curve where an antibiotic would be most effective

-       Identify the kinds of microbes on which antimicrobial agents work best

-       How drug resistance may be prevented/limited

 

Extra credit: Organism Identification. Give the genus and species, spelled correctly, of the organism that is most often associated with the given disease.