Chapter 3, Problem 9E.5RQ

Summary Introduction

To determine: Why the Gram-stained Bacillus cereus culture that is incubated for a long time shows a higher color variability that ranges from intense blue to shades of pink.

Introduction: Gram staining is a differential staining technique that differentiates the bacterial cells into two main groups, namely, Gram-positive bacteria and Gram-negative bacteria. This makes Gram staining an essential tool for classifying and differentiating the microbes.