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Foodborne illness, also known as "foodborne disease," "foodborne infection," or "food poisoning, is an important public health burden worldwide. There are an estimated 250 pathogens that can cause...
Escherichia coli (E. coli) is a bacterium commonly found in the gut of humans and warm-blooded animals. Most E. coli are normal flora or commensals found in the intestinal tract. It is a...
We all know microbiological specimens must be promptly transported to the laboratory within a few hours. If there is a delay, special transport media may be needed depending upon the types of...
I have here presented fifteen Multiple Choice Questions from the Immunology sections. These MCQs are collected via various sources, and some of the MCQs I have prepared myself. I have posted the key...
MCQs in Immunology (21-30): Antibodies-I (Answers with Explanations)
21. All of the following are true concerning IgM antibodies EXCEPT which one A.they are glycoproteinB.they fix complementC.they mediate allergic reactionD.they occur on the surface of...
31. Complement component C3 is cleaved by: A. C3b B. C3bBb C. Factor B D. Factor D E. Factor H 32. The membrane attack complex in the complement pathway consists of: A. C3b3b,Bb B....