Strain differences are helpful in

Strain differences are helpful in
 
  A. replica plating.
  B. electrophoresis.
  C. transformation.
  D. transduction.
  E. tracing the source of outbreaks of disease

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Which is deemed the most serious staphylococcal skin infection?
 
  A.
  Tinea versicolor
 
  B.
  Folliculitis
 
  C.
  Furuncles
 
  D.
  Carbuncles

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Which of the rRNA molecules has proven the most useful in taxonomy/identification?
 
  A. 5S
  B. 16S
  C. 23S
  D. 80S

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The member of the normal microbiota sometimes considered responsible for tinea versicolor is
 
  A. staphylococci.
  B. diptheroids.
  C. Candida spp.
  D. Malassezia spp.

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A protein associated with a more virulent form of Staphylococcus is
 
  A. leukocidin.
  B. mannose.
  C. streptokinase.
  D. coagulase.