Why Is Oil of Immersion Often Used When Viewing Specimens

question 61

Multiple Choice

Why is oil of immersion often used when viewing specimens under the microscope?

• A)to stain the cells blue
• B)to prevent the smear from drying out
• C)to slow bacterial movement so you can see cells better
• D)to increase the resolution
• E)to reduce the amount of heat reaching the slide from the light source

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