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Describe the four basic methods in which antimicrobial agents work.
What energy systems are responsible for living organisms acquiring energy and transforming energy into other forms? How do these systems work and how do they relate to the structures in the Prokaryo
Why did bacteria such as Streptomyces species evolve toxins against other bacteria.
You count 74 cfu on a pour plate. The plate was prepared by spreading 0.2 ml of a 1:10,000 dilution of the original sample. What is the density of the original culture (in cells/ml).
What are the three stages for identification of coli-forms in a water sample? Can you confirm the presence of coli-forms at each stage? Why or why not.
Explain what is meant by "indicator" organisms when testing a water sample. What are the media used to determine the presence of the indicator organisms? What are the morphological and biochemical
If urine is normally sterile within the urinary bladder, explain two ways in which urine may become contaminated when obtaining a urine culture.
What is the purpose of flaming the loop prior to transferring an organism from a test tube to a petri plate? What type of heat is flaming? Why can't the loop be put on the bench top after using it.
Why do you need a sterile tongue depressor to obtain a sterile throat culture? What might be the outcome of a throat culture if the tongue depressor was not sterile.
Cases of Campylobacter infection were reported in Jones County last summer. In the previous summer, less than five cases were reported.
List two experiments by early scientists and provide a detailed explanation of how each experiment disproved the theory of spontaneous generation.
An ecological niche is that area or space in the environment where a specific species of microorganisms can survive and reproduce. "Certain combinations of environmental conditions are necessary for
Which of the following would have glycosidic bonds.
What animals are most often used to sniff out Truffels.
Term that best describes Rhizopus zygospores.
Please explain the Preservation of Foods by Oscillating Magnetic Fields. Please provide a critical evaluation of this technology. Explain the possible mechanism of microbial inactivation by this app
How does mitotic cell division produce genetically identical daughter cells? Include each stage of mitosis and what happens during each.
Compare methods of categorizing organisms. Are any of them better than the others or are they just different ways at looking at the same thing.
Discuss in detail how fungi get their nutrition. Relate this mode of nutrition to how a bed of fungal hyphae can so rapidly breakdown organic materials such as fallen leaves that are in contact with
There are three types of pathogens that cause meningitis. Briefly describe each type and then select either a bacterial, fungal, or viral pathogen capable of producing meningitis in humans to answer
In this Module, selected another resident microbe from Host-Microbe Interactions" in A Concise Manual of Pathogenic Microbiology, that can cause disease in humans.
Briefly describe the methods used by bacteria and fungi to tolerate environmental heavy metals. Include references and your views on the potential commercial applications of bacteria and fungi.
Bacteria never form any sort of grouping that resembles a multicelled organism with an internal division of labor among its cells.
The internal structure of many protists is much more complex than that of cells of multicellular organisms. Does this mean that the protist is engaged in more complex activities than the multicellul
What term refers to a cell that has a nucleus and membrane bound organelles, such as plant and animal cells.