A Microbiologist Makes a Fixed Smear of Bacterial Cells and Stains

question 36

Multiple Choice

A microbiologist makes a fixed smear of bacterial cells and stains it with methylene blue.All cells appear blue under the oil immersion lens.This is an example of ______.

• A)simple staining
• B)negative staining
• C)capsule staining
• D)the acid-fast stain
• E)using an acidic dye