Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
Think of 10 - 20 variables that may affect seed germination. Record them in Table and from your list of variables in Table 5, select three to test. Form a hypothesis for why each affects seed germinat
Explain these results and, in doing so deduce the somatic chromosome number of each species used.
Compare and contrast the major roles of the innate immune system and the acquired immune system and how do the innate immune system and the acquired immune system work together to fight infectious age
The Mystery of Tissue Specificity. As a result of advanced genetic and molecular techniques, many germline mutations (inherited mutations passed down to offspring as opposed to somatic mutations ac
Compare and contrast the mechanisms of pathogenicity developed by food borne enteropathagenic E. coli, Salmonella and Shigella species that cause infections in the human host. Include: adherence, in
Define the word "quorum sensing" and explain (at the cellular or biochemical level) the mechanism by which microbes participate in this phenomenon.
This solution explains the two bacterial genera most commonly present in fecal coliforms (FC) and the two species most commonly found in fecal streptococci (FS).
What type of microscope would you use to view ribosome in a prokaryotic cell? What about to view the outside surface of a eukaryotic cell? Couldn't you utilize a compound light microscope?
Compare and contrast gram-positive and gram-negative cell walls with regard to: (a) sensitivity to antimicrobial agents (b) resistance to phagocytosis (c) chemical composition (d) decolorization by al
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