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Micro Test 3 Pre-Class Quizes
Terms in this set (32)
Polymerase chain reaction can be used to identify microorganisms even when it is not possible to culture the organisms in the lab.
Viruses are classified as prokaryotes.
A prokaryotic species is defined as a group of closely related organisms that breed among themselves.
In ______________ testing, microbial strains can be differentiated based on different antigens.
__________________ are maps that show evolutionary relationships among organisms.
The largest phylum of the Bacteria is the:
The genus __________________ has some of the most complex life cycles found in bacteria, including the production of fruiting bodies.
The genus __________________ includes filamentous bacteria that can form asexual spores on the end of aerial filaments.
Many archaea are extremophiles.
The bacterium, Epulopiscium, has a volume a million times larger than that of E. coli.
Helicobacter is a member of the:
Cross-walls found in the hyphae of some fungi are called:
___________________ is the study of fungi.
The body of a multicellular algae is called a ___________________.
Silica is found in the cell walls of ______________________.
Unicellular algae that are free-floating, including those that cause paralytic shellfish poisoning, are collectively called ______________________.
Mushrooms are found in the:
The genus __________________ is the cause of a roundworm disease that is contracted by humans who eat poorly cooked pork from infected pigs.
The segment that makes up the body of a cestode is called a:
Which one of the following is a trematode (fluke)?
The amoebas use by extending projections called ________________.
The genus ___________________ is interesting because these protozoa contain chloroplasts and a bright red eyespot.
The system of cell communication where bacteria can recognize the density of a population is known as _____________ _______________.
Biofilms form a complex vertical structure with water channels that deliver fluid and nutrients deep into the biofilm.
Biofilms are harmful and do not provide any benefits to humans.
Evidence of biofilms has been found in rocks as old as 3.5 billion years old.
The genetic expression of biofilm bacteria is the same as the genetic expression of planktonic bacteria.
In the United States, the indicator organisms used to monitor sewage contamination in freshwater are ____________________ bacteria.
__________________ is the process gardeners use to convert plant remains into the equivalent of natural humus.
"BOD" in sewage treatment refers to:
a. Body Odor Determination
b. Biological Odor Determination
c. Biochemical Oxygen Demand
d. Broad Oxygen Demand
c. Biochemical Oxygen Demand
Activated sludge contains large numbers of sewage-metabolizing microbes.
What is the genus of yeast used for primary alcohol fermentation in wine making?
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