Question

how long does it take to perform and analyze the gram stain?
a) 48 hours
b) 24 hours
c) a few minutes
d) 1 - 2 hours

Explanation:

Gram - staining is a relatively quick microbiological technique. The steps involved in Gram - staining (smear preparation, staining with crystal violet, iodine treatment, decolorization, and counter - staining with safranin) can be completed in a short time. It does not require long incubation times like some microbial culture - based techniques.

Answer:

c) A few minutes