Microbiology_task_2021

Chamberlain School Of Nursing

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Exam (elaborations) Microbiology_task_2021
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2

November 2021

2021/2022

A+
Introduction: Gram-positive and Gram-negative bacteria have a big difference in cell wall structure that is examined during the gram staining lab. Gram-positive bacteria have thick layers of peptidoglycan. When these bacteria are stained, using a crystal violet dye, they will remain purple. Gram-negative bacteria have thin peptidoglycan walls, which do not retain the purple dye. It must be counterstained with safranin turning them pink. Materials and Methods: There are four basic steps for gr...
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