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microbiology > lab 7 > Flashcards

lab 7 Flashcards

1
Q

What is the primary dye?

A

Crystal Violet

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2
Q

What chemical is used as the mordant?

A

Iodine

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3
Q

What is the decolorizer?

A

95% Ethanol, or Isopropanol (75%) and Acetone (25%)

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4
Q

What is the secondary dye?

A

Safranin

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5
Q

What is the final color of the gram-positive bacteria?

A

Purple

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6
Q

What is the final color of the gram-negative bacteria?

A

Red

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microbiology (2 decks)

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