If a microbiology lab student left the safranin out of the Gram stain procedure, what would be the result?
A) All cells would be pink.
B) Gram-positive cells would be purple and Gram-negative cells would be colorless.
C) Gram-positive cells would be colorless and Gram-negative cells would be pink.
D) All cells would be purple.
E) Gram-positive cells would be pink and Gram-negative cells would be purple.

Question

Quizplus · Accepted Answer

Safranin is the counterstain in the Gram stain procedure. Without it, Gram-negative cells, which lose the crystal violet stain during decolorization, would remain colorless, while Gram-positive cells would retain the purple color from the crystal violet.

If a Microbiology Lab Student Left the Safranin Out of the Gram