Bacterial Staining Techniques

• To make the cells more visible under the microscope (correct)
• To make the cells grow faster
• To change the color of the cells
• To kill the cells

• A simple stain uses only one stain, while a differential stain uses more than one stain
• A simple stain is used to determine a bacterial species’ morphology and arrangement, while a differential stain allows scientists to gather additional information about the bacteria they are working with (correct)
• A simple stain is used to diagnose the cause of a bacterial infection, while a differential stain is used to identify and classify microorganisms
• A simple stain is used to determine the presence or absence of endospores, while a differential stain is used to determine the cell wall type

• Gram stain (correct)
• Safranin
• Methylene blue
• Crystal violet