Be able to interpret the results of stain. le. what do gram positive stains look like?

Question

Question

science biology

Answer 1

Answer #1

After gram staining procedure, when the microorganisms are observed under a microscope,

the only difference between gram positive and negative bacteria is that of a color.

The gram positive bacteria retains the crystal violet color and hence appears violet.

The gram negative bacteria can not retain violet and hence appear pink(due to counterstain).

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Answer 2

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