First, (crystal violet/pink/safranine) stain is applied, a series of rinses are used, and then a (crystal violet/pink/safranine) stain is applied. A (Gram-Negative/Gram-Positive/Gram-N eutral) bacteria culture will stain purple or blue, while a (Gram-Negative/Gram-Positive/Gram-N eutral) bacteria culture will stain pink.

A

Explanation:

Gram positive bacteria stain violet due to the presence of a thick layer of peptidoglycan in their cell walls, which retains the crystal violet these cells are stained with.

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.