![]() Gram-stain requires more than one step, and can see both types of bacteria, A simple stain is the easier way to visualize Gram-positive bacteria, while a What are the advantages of performing a Gram stain vs.A counterstain is added to make Gram-negative bacteria visible, and stains red. Why is a counterstain (safranin) added to the Gram staining procedure?Ī.Iodine was added to stabilize the crystal violet so it becomes more difficult to Why was the Gram iodine added to the Gram staining procedure?Ī.The difference is the thickness of the peptidoglycan layer and the cell’s ![]()
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