NEET MDS Shorts
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General MicrobiologyBacillus anthracis is capsulated, which is a key feature of its virulence.
196530
General MicrobiologyThe Paul-Bunnel test is a classic heterophile antibody test used to diagnose infectious mononucleosis, primarily caused by Epstein-Barr virus (EBV). It detects heterophile antibodies that are typically present in patients with this condition. While ELISA and other tests can also be used, the Paul-Bunnel test is historically significant and widely recognized for this diagnosis.
400185
General MicrobiologyHepatitis C virus (HCV) is known for its single-stranded RNA genome. This characteristic is crucial for its classification and understanding its replication cycle, which involves RNA-dependent RNA polymerase.
193197
General MicrobiologyAluminum hydroxide is used as an adjuvant in the hepatitis B vaccine to increase the immunogenicity of the vaccine, enhancing the body's immune response to the antigen.
928577
General MicrobiologyC1. Perfringens colonies are typically nonmotile and do not form capsules. They will be surrounded by a zone of opacity on the half without antitoxin due to the Nagler reaction (option 1) and will not ferment lactose to produce bright pink colonies on MacConkey’s medium
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General MicrobiologyProteus bacilli are known for their characteristic swarming motility on agar and a distinctive odor, which is often described as fishy or seminal. This is due to the production of ammonia and indole as metabolic byproducts.
129978
General MicrobiologyAmoebic dysentery stool is typically dark red and acidic, while bacillary dysentery stool is bright red and alkaline.
219626
General MicrobiologyExotoxins are produced and secreted by bacteria into the surrounding environment. They are typically proteins that can cause damage to the host by disrupting cellular processes. This active secretion distinguishes them from endotoxins, which are part of the bacterial cell wall and are released upon cell lysis.