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Microbiology Boards Pt 1 > Culture media > Flashcards

Culture media Flashcards

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Biology 101 flashcards
1
Q

What is selective for enteric bacteria, differentiates lactose fermenters from non-lactose fermenters?

A

MacConkey agar

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2
Q

Lactose fermenting bacteria form pinkish colonies and non-lactose form colorless colonies, what media does this show up with?

A

MacConkey agar

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3
Q

What type of media is selective for enteric bacteria, inhibits G+ bacteria, and can also differentiate lactose from non-lactose fermenters?

A

EMB agar (eosin methylene blue)

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4
Q

Lactose fermenting bacteria will form different pigmented colonies according to genus in this agar…

A

EMB agar (eosin methylene blue)

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5
Q

E coli will form colonies with green metallic sheen in this culture medium…

A

EMB agar (eosin methylene blue)

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6
Q

What medium is selective for staphylococcus due to it being able to tolerate high salt?

A

MSA (mannitol salt agar)

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7
Q

This medium is differential in determining the difference in S. aureus vs. S. Epidermis. S. aureus will produce acid that will change plates to a yellow color, S. Epidermis will not cause color change and plates will remain pink…

A

MSA (mannitol salt agar)

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Microbiology Boards Pt 1 (5 decks)

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