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Hershey and Chase intended to see if it's the viral DNA or the viral protein coat that enters bacteria upon infection with bacteriophage (virus infecting bacteria).
Why were some contact lens solutions removed from the stores several years ago? What caused the problem and what happened to those who used these products.
Describe the Hershey-Chase experiment. Explain in your own words, as if you were talking to someone with no genetics background, how they used radioactive isotopes to demonstrate that DNA, not prote
This response also discusses the mechanisms behind the "zone of inhibition" using the Kirby-Bauer method and what factors influence this phenomenon.
Protozoans are grouped through their means of locomotion; describe the three different types of locomotion.
Why is the blood brain barrier considered both good and bad.
How does an organism with a capsule such as K. pneumoniae, provide the organism with pathogenic abilities to avoid destruction by the host cell.
Lab mice are immunized with a measles vaccine. When the mice are challenged with the measles virus to test the strength of their immunity.
How does an active infection occur in the urinary tract? Which factors in the urinary tract predispose humans toward urinary tract infections.
Take the following list of eight cells, or components of cells, and: (a) list them in order from largest to smallest; (b) say whether each is best viewed with the naked eye, light microscope, electr
There are six characteristics of infectious disease agents which determine whether or not an infectious disease will be transmitted to and infect a host.
For each method listed, indicate the mode of action.
Pathogens, toxins, infections, and disease; Microbial Applications and Industrial Use; Biotransformations; Microbial decomposition and global recycling.
You have to use your knowledge of microbes from studying this topic to produce the text of an information leaflet about nv for nursing staff who work in care homes.
Give a description of the process of bacterial transduction and give specific details on how you would prove that transduction had occurred between bacteria.
Microbiology was a study of living organisms that scientists had some trouble proving to the general public that they even existed. One of the reasons for this was that people could not see the orga
What kind of vaccine (live, dead, whole, viral protein, etc) would be the best for a virus that causes a mild disease in individuals with a heavy cytolytic response.
What are three reasons one might a situation in which bacterial colonies are found on the first section of a streak plate, but not on sections two and three.
Some species of bacteria that live at the surface of sediment on the bottom of lakes are facultative anaerobes; that is, they are capable of either aerobic or anaerobic respiration.
List 20 antimicrobials used in food manufacturing and specify the maximum allowance of each one in food.
One-hundred grams of fresh tomatoes were placed in a stomacher and blended for 45 seconds. A 1 mL sample of blended tomatoes was placed in tube containing 9 mL of Trypticase Soy Broth.
Bacteria have three basic recognizable shapes. Name and describe the shapes, discuss differences in the groups physiologically and biologically and give examples of each type that may be found in yo
What are the most common microorganisms found in the nose? Oropharyx, Nasopharynx? Tonsillar crypts? Lower respiratory tract? Oral cavity? Eye? External ear? Stomach? Small intestine? Colon? Genitou
What are the functions of the following pharmaceuticals: growth hormone, human rennin, interferons, tissue plasminogen activator, and interleukin-2.
Using Streptococcus pneumoniae as an example, this solution describes how serological tests can distinguish between multiple different serotypes of a bacterial species.