Gram Stain

Practice: Which of the following answers lists the steps of gram-staining in the correct order?

Practice: Which of the following reagents is used to stain gram negative cells pink (or red) in the gram stain?

Practice: Which of the following statements is false?

Practice:

Results from a gram stain show that these bacteria are:

Practice: A scientists has a sample with two different species of bacteria. The first species is Staphylococcus aureus, a gram-positive bacterium. The second species is Escherichia coli, a gram-negative bacterium. The scientist gram-stains his sample of bacteria. What colors will the two species of bacteria be after staining?