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Enterobacteriaceae Family Quiz

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What is the main reason for Enterobacteriaceae being referred to as Enterics?

They are associated with infections throughout the body

They are ubiquitous in nature

Majority of them reside in the gastrointestinal tract of humans and animals (correct)

They are frequently encountered in the laboratory

What distinguishes Enterobacteriaceae as gram-negative organisms?

They retain the secondary stain safranin (correct)

They are resistant to antibiotics

They form spores

They have a thick peptidoglycan layer

What is a characteristic feature of all Enterobacteriaceae in terms of their aerobic requirements?

They are microaerophiles

They are obligate anaerobes

They are facultative anaerobes (correct)

They are obligate aerobes

What can be expected when inoculating a member of the Enterobacteriaceae family in TSI or KIA?

<p>They will always ferment glucose within 6-12 hours</p> Signup and view all the answers

What differentiates the fermentative capabilities of Enterobacteriaceae?

<p>Not all of them have the capability to ferment lactose or sucrose</p> Signup and view all the answers

Enterobacteriaceae Family Quiz

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Questions and Answers

What is the main reason for Enterobacteriaceae being referred to as Enterics?

What distinguishes Enterobacteriaceae as gram-negative organisms?

What is a characteristic feature of all Enterobacteriaceae in terms of their aerobic requirements?

What can be expected when inoculating a member of the Enterobacteriaceae family in TSI or KIA?

What differentiates the fermentative capabilities of Enterobacteriaceae?

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