Microbiology Questions
Explore questions in the Microbiology category that you can ask Spark.E!
which of the following is true about the structure of gram positive cell wallA) is composed of thick peptidoglycan layerB) periplasmic space is absentC) include significant amount of teichoic and lipoteichoic acidsD) all of the above
A(n) is used to prevent infection by killing or inhibiting pathogen growth on animal tissuesA) bacteriostatie agentB) disinfectantC) antiseptic
the classification system based on the cellular organization of organisms detern three domains consisting of bacteria archaea andA) AnimaliaB) plantaeC) eukaryaD) helminths
The Gram stain differentiates between bacteria based on the composition of theira) Cell Wallb) Mitochondria c) Nucleusd) Cell Membrane
In influenza viruses, minor annual variations in the antigenic makeup are calledA) Antigenic driftB) Antigenic shiftC) MutationD) Recombination
Food and drinks are not allowed in the laboratory primarily because they maya) distract you or others from lab workb) clutter your workbenchc) spilld) transfer microbes into your body
Focal infections initially start out asA) sepsis.B) bacteremia.C) local infections.D) septicemia.E) systemic infections.
What is not characteristic for IgM antibody? A) Primary antibody in response to challenge. B) most efficient for complement fixation. C) Efficient for bacterial and viral agglutination D) Monomer with low molecular weight
In the Triple Sugar-Iron Agar Test yellow butt and red slant indicates: a) fermentation of glucose has occurred, acid has been produced, does not ferment either lactose or sucroseb) no fermentation of glucose, lactose or sucrosec) ferments lactose and/or sucrosed) fermentation of glucose has occurred and H2S has been produced
When phenol red broth ( fermentation broth) turns yellow it indicates:A) carbohydrate fermentationB) pH is lower than 6.8C) Starch hydrolysesD) Only a and b
In indirect ELISA if Ag is presented in the well of ELISA plate what type of immunological complex is formed?a) Ag-Ab-Ag b) Ag-Ag-Abc) Ab-Ag-Abd) Ag Ab-Ab e) Ab Ab-Ag
What is consider positive with kinyoun & ziehl-nielson stain?
What is the vector for R. rickettsiae
What is the counterstain for gram stain?
What virus cause the most common congenital infection
What is kinyoun & ziehl-nielson stain for?
What is the vector for R. prowazekii
What is the gram stain for staphylococcus sp.?
Where does Legionella pneumophila grow?
What is the counterstain for kinyoun & ziehl-nielson stain?