3. Why Is It Essential That The Primary Stain And The Counterstain Be Contrasting Colors? 4. Which Is The Most Crucial Step In Performing The Gram Staining Procedures? Explain. 5. Because Of A Snowstorm, Your Regular Laboratory Session Was Canceled And The Gram Stain- Ing Procedure Was Performed On Cultures Incubated For A Longer Period Of Time. Examina-

 

3. Why is it essential that the primary stain and the counterstain be contrasting colors? 4. Which is the most crucial step in performing the Gram staining procedures? Explain. 5. Because of a snowstorm, your regular laboratory session was canceled and the Gram stain- ing procedure was performed on cultures incubated for a longer period of time. Examina- tion of the stained B. cereus slides revealed a great deal of color variability, ranging from an intense blue to shades of pink. Account for this result.