Last name, Initial_
On both this test sheet and the answer sheet, clearly print your name (Last Name, initial). Read the
questions carefully. Choose the best answer, then mark your choice on your answer sheet. For the
Prokaryotic Cell Structure:
Nucleoid the region in the cytoplasm where DNA is stored in prokaryotic
Plasmid - ExtrachromosomalDNAmoleculethatreplicatesindependentlyofthe
Curing A formerly virally infected cell that is no longer infect
What sequence of steps are necessary to form a cell? Which of the
hypotheses could fulfill each step?
Prei-biotic soup: spontaneous out of soup (aequeous environment), synthesis
of monomers, then polymers like RNA, then enclosure of polymers in cell
What is the functional difference between a simple stain and a differential
A single dye is used in a simple stain. A dried sample is flooded with dye for a
minute or two. Everything will be one color. The slide is rinsed then dried.
The point is
List the routes of entry that pathogens can take into the body. Identify the
physical and chemical defenses found at those sites.
Mucus, enzymes, antibodies, macrophages
Gi tract (ingestion)
Fecal-oral, contaminated drinking w
List the different types of vaccines and describe the pros and cons of each.
Describe the concept of herd immunity and who it can protect
Be able to calculate D and Z values and how they relate to each other.
D value is the Amount of time it takes for a
Describe the different strata of lakes and oceans, and identify which types of
microbes you would find there.
Neutston: warmest and hisest concentration of microbes here
Euphotic: still sunlight
Aphotic no sunlight so no photosynthesis. Heterotrophs a
Describe the process of making a diagnosis (from the time a patient walks
into the office until diagnosis is made).
History and physical, differential diagnosis (its never lupus), take right
samples, handle samples with labels, patient anonymitnity, app
Give examples of microbes that participate in symbiotic relationships:
include every type of symbiosis and what each partner contributes/takes.
Mutualism: required for survaival
aphid and buchera
protozoa and termite
cooperation: benefit is not for s
Characteristics of Being Alive:
Homeostasis (viruses do not do homeostasis)
Organization (yes and no for viruses)
Metabolism (viruses do not do metabolism, they cant make their own ATP or
Growth (yes and no, b/c once it is fully assemb
Professor Nguemwo Tentokam (TA)
6 March 2016
Pre-Lab Microbiological Media
Many biologists use different technique and characteristics to classify organisms into different
classes. An organism may grow and prospe
Chapter 5 Controlling Microbial Growth
Key Terms (If needed create Flash Cards)
Bactericidal: Various agents that kill bacteria.
o Disinfectant: A chemical used to destroy many microorganisms and virus.
o Disinfection: A process that eliminates most or al
The cause of strep throat is
. The most common bacterial pathogen(s)
involved with sinusitis, otitis media and
B. Streptococcus pyogenes- beta-hemolytic, group A
C. Staphylococcus pyogenes- a
Spring 2017, MWF 11-11:50AM
Petit Science Center 171
CRNs 12806, 22406 (H), 12807
Instructor: Dr. Samantha Parks
Office: Kell 434A
Office Hours: Tuesdays 11-12, Fridays 9:30-10:30, or by appointment