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The best procedure to differentiate listeria monocytogenes from corynebacterium species is

a. catalase

b. coagulase

c. motility

d. gram stain

User Danspants
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1 Answer

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C. Motility --> Listeria is motile (tumbles over each other in microscope), whereas Corynebact. is non-motile
**Both: Gram (+) rods, catalase (+)
Other tests: Nitrate reduction and sugar fermentation
User Georgexsh
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