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In the year 1884, Hans Christian Gram explained a method of staining bacterial cells while not staining surrounding animal tissues; though, he thought the staining method he developed was faulty bec
Describe why it is very important to have a pure culture and not a mixed culture when performing biochemical tests.
Explain the principle and advantage of using a rapid identification system, such as the Enterotube. How would you rate the Enterotube system with conventional bacteriological procedures to identify
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
1) Why did bacteria such as Streptomyces species evolve toxins against other bacteria? 2) Explain Streptomyces bacterial colonies.
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?
If urine is normally sterile within the urinary bladder, describe the two ways in which urine may become contaminated when obtaining a urine culture.
Hi, I want some assistance with these two microbiology questions. I am having some difficulty with the concepts.
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?
1) What merit does the plant derive from the Rhizobium-clover alliance? 2) What advantage does the bacterium derive?
Describe specific instances and assignments all through the course that have changed your perception of the significance of microbiology?
Explain why do you want 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?
Throughout the anthrax scare in the year 2001, a news commentator proposed people must iron their mail to protect from any anthrax endospores contained inside. Would this be an efficient way to disi
Cases of Campylobacter infection were reported in Jones County last summer. In the prior summer, less than five cases were reported.
Assume that you have done a Gram stain and determined what antibiotic to use to kill the phylum cilophora bacterium. If you expose the bacterium to the antibiotic, explain how will the antibiotic ki
One test for the identification of group A streptococci is the latex agglutination test. Explain how the test recognizes group A streptococci?
Describe why organisms in the upper respiratory tract might change when the normal flora is replaced with the transient flora.
Present and describe the differences and similarities in the structure of E. coli and HIV. Describe E. Coli and HIV differences in their classification - usually termed to as a natural or phylogenet
Sometimes bacteria are categorized by temperature. Name the three groups of bacteria based on temperature. Comment on the kind to be likely found in the surface waters.
Transposable elements cause mutations whenever the element is inserted in genes. Such elements disrupt the continuity of a gene and could render it useless.
One control sample of competent cells devoid of plasmid was placed on an agar plate without ampicillin. The other consisted of plating cells devoid of plasmid on LB and ampicillin plate.
When bacteria and fungi are competing for the similar resources, the bacteria generally dominate and prevent the fungi from growing. As an outcome, fungi have adapted so that they can live (and thri
Ciprofloxacin, erythromycin and acyclovir are employed to treat the microbial infections. Ciprofloxacin inhibits DNA gyrase. Erythromycin binds in front of the A site on the 50S subunit of a ribosom
By using Staphylococcus aureus as an illustration, this solution gives a detailed explanation of how a person's innate and adaptive immune system would fight off this potentially life-threatening in