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Questions and Answers
Most strains of E. coli ferment ______ rapidly
lactose
E. coli produce ______
indole
E. coli are ______
motile
E. coli colonies on MacConkey agar appear ______
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Escherichia coli is a member of the family Enterobacteriaceae, which are commonly referred to as ______ rods
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Escherichia coli, along with Shigella, Salmonella, Klebsiella, and Yersinia are considered the most virulent for humans, also known as ______
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Escherichia coli, like other members of the Enterobacteriaceae family, are ______ anaerobes
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Escherichia coli, along with other Enterobacteriaceae, are ______ negative
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Shigella species are closely related to E coli But, non-lactose fermenter.Shigella dysenteriae under the microscope Shigella do not ferment ______ or produce hydrogen sulfide gas, so the resulting colonies will be colorless.
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Shigella on SS agar Salmonella on SS agar with Black ______
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Proteus mirabilis, the most commonly isolated member of the group, P mirabilis and Proteus vulgaris share the ability to ______ over the surface of media, rather than remaining confined to discrete colonies.
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Salmonella-Shigella (SS) Agar: Used for selective recovery of Salmonella from stool culture Salmonellae usually produce ______ non-fermenting colonies with black centers.
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