Podcast
Questions and Answers
Which organism is capable of producing spores within the Enterobacteriaceae family?
Which organism is capable of producing spores within the Enterobacteriaceae family?
- Escherichia coli
- Serratia sakaiensis (correct)
- Salmonella enterica
- Klebsiella pneumoniae
What is the sole source of carbohydrate in Mac agar?
What is the sole source of carbohydrate in Mac agar?
- Maltose
- Lactose (correct)
- Sucrose
- Glucose
Which enzyme is generally produced by Enterobacteriaceae?
Which enzyme is generally produced by Enterobacteriaceae?
- Amylase
- Catalase (correct)
- Oxidase
- Lipase
Which agar selectively allows the growth of gram-negative organisms and inhibits gram-positive organisms?
Which agar selectively allows the growth of gram-negative organisms and inhibits gram-positive organisms?
Which type of colonies are formed by lactose fermenters on Mac agar?
Which type of colonies are formed by lactose fermenters on Mac agar?
Flashcards
Spore-producing Enterobacteriaceae?
Spore-producing Enterobacteriaceae?
Serratia sakaiensis is the only organism in the Enterobacteriaceae family known to produce spores.
Carbohydrate in MacConkey Agar?
Carbohydrate in MacConkey Agar?
Lactose is the only carbohydrate source in MacConkey agar, used to differentiate lactose-fermenting bacteria.
Enzyme Produced by Enterobacteriaceae?
Enzyme Produced by Enterobacteriaceae?
Catalase is commonly produced by Enterobacteriaceae, which helps them break down hydrogen peroxide.
MacConkey Agar Selectivity?
MacConkey Agar Selectivity?
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Colony Color of Lactose Fermenters on Mac?
Colony Color of Lactose Fermenters on Mac?
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