(a) How are the cysts of protozoa similar to endospores? (b) How do they differ? What factor determines the antibiotic prescribed for pneumonia? How can you use Koch's Postulates to identify the microbe that causes strep throat? Why are antibiotics ineffective against viral infections? Explain...
Generally the germ's presence produces some side effect that makes you sick. For example, the strep throat bacteria (Streptococcus) releases a toxin that causes inflammation in your throat. The polio virus releases toxins that destroy nerve cells (often leading to paralysis). Some bacteria are ...
The incubation period for strep throat is typically two to five days. This means that after being exposed to the bacteria, it may take a few days for symptoms to appear. However, during this incubation period, a person can unknowingly spread the infection to others. If you do come down wi...
What if I test positive for Group B Strep infection? If you test positive for GBS this simply means that you are a carrier. Not every baby who is born to a mother who tests positive for GBS will become ill. Approximately one of every 100 to 200 babies whose mothers carry GBS will ...
If you or your child exhibit typical symptoms of spinal muscular atrophy (SMA), a genetic blood test can confirm the condition. In genetic testing, a blood test is carried out to check for the presence of the SMN1 gene (survival motor neuron 1 gene). The physician may also perform the ...
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If you’re unable to complete such testing on your own, urgent care centers, medical testing facilities, and other clinics can do it for you and provide results within 10 to 20 minutes, depending on the type of test. Some over-the-counter and laboratory tests can differentiate between CO...
As a control of the correct test performance (lysis and electrophoresis), one slide with embedded cells was exposed to H2O2(50 µM, Sigma-Aldrich, Germany) for 5 min before lysis, and the generation of DNA SBs was assessed. As a control of the Fpg activity, the formation of oxidative ...
Explain the rationale for adding pen/strep to DMEM. What is the sterile technique and why is it so important in animal cell culture? How do you apply the scientific method to determine whether viruses are alive or not? When an agar plate is inoculated, why is the ...
“Omicron could potentially be of great help to us — which is certainly not something you could say about the Delta variant,” she wrote in a Dec. 13 op-ed for the U.K.’s Daily Mail. Coetzee suggested that the herd immunity offered by Omicron could end up being s...