Microbiology

Learn the toughest concepts covered in Microbiology with step-by-step video tutorials and practice problems by world-class tutors.

9. Microscopes

Gram Stain

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concept

Gram Stain

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Problem

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

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Problem

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

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Problem

Which of the following statements is false?

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Problem

Results from a gram stain show that these bacteria are:

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Problem

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?