asked 32.5k views
5 votes
After the secondary stain has been added, gram-positive organisms are stained __________ and gram-negative organisms are stained _________

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User Catlard
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1 Answer

6 votes
(Assuming that this stain was done with crystal violet and safarin)

Gram-positive will appear blue to dark purple.
Gram-negative will appear orange, red, or pink.
answered
User Brandon Turpy
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8.2k points
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